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Finding the Fourth Proportional to 562,129.60, 841,444.80 and 324,767.20

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Solution

The fourth proportional to 562,129.60, 841,444.80 and 324,767.20 is: 486,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,129.60 : 841,444.80 = 324,767.20 : x
  2. Step 2: Convert to fraction form
    562,129.60/841,444.80 = 324,767.20/x
  3. Step 3: Cross multiply
    562,129.60x = 841,444.80 × 324,767.20
  4. Step 4: Simplify right side
    562,129.60x = 273,273,671,650.56
  5. Step 5: Solve for x
    x = 273,273,671,650.56/562,129.60
  6. Step 6: Final answer
    x = 486,139.98

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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.