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Finding the Fourth Proportional to 435,503.92, 599,751.12 and 392,113.84

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Solution

The fourth proportional to 435,503.92, 599,751.12 and 392,113.84 is: 539,996.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,503.92 : 599,751.12 = 392,113.84 : x
  2. Step 2: Convert to fraction form
    435,503.92/599,751.12 = 392,113.84/x
  3. Step 3: Cross multiply
    435,503.92x = 599,751.12 × 392,113.84
  4. Step 4: Simplify right side
    435,503.92x = 235,170,714,707.50
  5. Step 5: Solve for x
    x = 235,170,714,707.50/435,503.92
  6. Step 6: Final answer
    x = 539,996.78

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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.