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Finding the Fourth Proportional to 658,602.99, 987,904.53 and 185,288.13

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Solution

The fourth proportional to 658,602.99, 987,904.53 and 185,288.13 is: 277,932.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,602.99 : 987,904.53 = 185,288.13 : x
  2. Step 2: Convert to fraction form
    658,602.99/987,904.53 = 185,288.13/x
  3. Step 3: Cross multiply
    658,602.99x = 987,904.53 × 185,288.13
  4. Step 4: Simplify right side
    658,602.99x = 183,046,982,982.23
  5. Step 5: Solve for x
    x = 183,046,982,982.23/658,602.99
  6. Step 6: Final answer
    x = 277,932.21

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.