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Finding the Fourth Proportional to 508,236.57, 701,388.59 and 304,248.16

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Solution

The fourth proportional to 508,236.57, 701,388.59 and 304,248.16 is: 419,875.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,236.57 : 701,388.59 = 304,248.16 : x
  2. Step 2: Convert to fraction form
    508,236.57/701,388.59 = 304,248.16/x
  3. Step 3: Cross multiply
    508,236.57x = 701,388.59 × 304,248.16
  4. Step 4: Simplify right side
    508,236.57x = 213,396,186,959.64
  5. Step 5: Solve for x
    x = 213,396,186,959.64/508,236.57
  6. Step 6: Final answer
    x = 419,875.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.