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Finding the Fourth Proportional to 363,382.68, 502,036.88 and 277,641.75

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Solution

The fourth proportional to 363,382.68, 502,036.88 and 277,641.75 is: 383,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,382.68 : 502,036.88 = 277,641.75 : x
  2. Step 2: Convert to fraction form
    363,382.68/502,036.88 = 277,641.75/x
  3. Step 3: Cross multiply
    363,382.68x = 502,036.88 × 277,641.75
  4. Step 4: Simplify right side
    363,382.68x = 139,386,397,927.74
  5. Step 5: Solve for x
    x = 139,386,397,927.74/363,382.68
  6. Step 6: Final answer
    x = 383,580.19

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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.