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Finding the Fourth Proportional to 363,810.18, 502,073.54 and 202,665.04

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Solution

The fourth proportional to 363,810.18, 502,073.54 and 202,665.04 is: 279,686.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,810.18 : 502,073.54 = 202,665.04 : x
  2. Step 2: Convert to fraction form
    363,810.18/502,073.54 = 202,665.04/x
  3. Step 3: Cross multiply
    363,810.18x = 502,073.54 × 202,665.04
  4. Step 4: Simplify right side
    363,810.18x = 101,752,752,558.53
  5. Step 5: Solve for x
    x = 101,752,752,558.53/363,810.18
  6. Step 6: Final answer
    x = 279,686.38

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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.