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Finding the Fourth Proportional to 606,603.10, 909,904.65 and 185,824.30

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Solution

The fourth proportional to 606,603.10, 909,904.65 and 185,824.30 is: 278,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,603.10 : 909,904.65 = 185,824.30 : x
  2. Step 2: Convert to fraction form
    606,603.10/909,904.65 = 185,824.30/x
  3. Step 3: Cross multiply
    606,603.10x = 909,904.65 × 185,824.30
  4. Step 4: Simplify right side
    606,603.10x = 169,082,394,653.00
  5. Step 5: Solve for x
    x = 169,082,394,653.00/606,603.10
  6. Step 6: Final answer
    x = 278,736.45

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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.