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Finding the Fourth Proportional to 502,844.38, 754,264.59 and 203,321.32

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Solution

The fourth proportional to 502,844.38, 754,264.59 and 203,321.32 is: 304,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,844.38 : 754,264.59 = 203,321.32 : x
  2. Step 2: Convert to fraction form
    502,844.38/754,264.59 = 203,321.32/x
  3. Step 3: Cross multiply
    502,844.38x = 754,264.59 × 203,321.32
  4. Step 4: Simplify right side
    502,844.38x = 153,358,072,068.06
  5. Step 5: Solve for x
    x = 153,358,072,068.06/502,844.38
  6. Step 6: Final answer
    x = 304,981.18

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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.