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Finding the Fourth Proportional to 532,384.90, 798,966.15 and 374,920.90

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Solution

The fourth proportional to 532,384.90, 798,966.15 and 374,920.90 is: 562,655.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,384.90 : 798,966.15 = 374,920.90 : x
  2. Step 2: Convert to fraction form
    532,384.90/798,966.15 = 374,920.90/x
  3. Step 3: Cross multiply
    532,384.90x = 798,966.15 × 374,920.90
  4. Step 4: Simplify right side
    532,384.90x = 299,549,108,027.54
  5. Step 5: Solve for x
    x = 299,549,108,027.54/532,384.90
  6. Step 6: Final answer
    x = 562,655.15

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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.