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Finding the Fourth Proportional to 370,253.16, 555,264.92 and 133,565.10

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Solution

The fourth proportional to 370,253.16, 555,264.92 and 133,565.10 is: 200,306.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,253.16 : 555,264.92 = 133,565.10 : x
  2. Step 2: Convert to fraction form
    370,253.16/555,264.92 = 133,565.10/x
  3. Step 3: Cross multiply
    370,253.16x = 555,264.92 × 133,565.10
  4. Step 4: Simplify right side
    370,253.16x = 74,164,014,566.29
  5. Step 5: Solve for x
    x = 74,164,014,566.29/370,253.16
  6. Step 6: Final answer
    x = 200,306.23

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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.