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Finding the Fourth Proportional to 532,417.52, 799,578.12 and 511,012.40

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Solution

The fourth proportional to 532,417.52, 799,578.12 and 511,012.40 is: 767,432.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,417.52 : 799,578.12 = 511,012.40 : x
  2. Step 2: Convert to fraction form
    532,417.52/799,578.12 = 511,012.40/x
  3. Step 3: Cross multiply
    532,417.52x = 799,578.12 × 511,012.40
  4. Step 4: Simplify right side
    532,417.52x = 408,594,334,088.69
  5. Step 5: Solve for x
    x = 408,594,334,088.69/532,417.52
  6. Step 6: Final answer
    x = 767,432.17

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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.