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Finding the Fourth Proportional to 363,637.32, 501,808.14 and 202,488.90

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Solution

The fourth proportional to 363,637.32, 501,808.14 and 202,488.90 is: 279,428.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,637.32 : 501,808.14 = 202,488.90 : x
  2. Step 2: Convert to fraction form
    363,637.32/501,808.14 = 202,488.90/x
  3. Step 3: Cross multiply
    363,637.32x = 501,808.14 × 202,488.90
  4. Step 4: Simplify right side
    363,637.32x = 101,610,578,279.65
  5. Step 5: Solve for x
    x = 101,610,578,279.65/363,637.32
  6. Step 6: Final answer
    x = 279,428.36

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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.