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Finding the Fourth Proportional to 415,604.16, 573,499.17 and 234,360.80

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Solution

The fourth proportional to 415,604.16, 573,499.17 and 234,360.80 is: 323,398.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,604.16 : 573,499.17 = 234,360.80 : x
  2. Step 2: Convert to fraction form
    415,604.16/573,499.17 = 234,360.80/x
  3. Step 3: Cross multiply
    415,604.16x = 573,499.17 × 234,360.80
  4. Step 4: Simplify right side
    415,604.16x = 134,405,721,413.04
  5. Step 5: Solve for x
    x = 134,405,721,413.04/415,604.16
  6. Step 6: Final answer
    x = 323,398.40

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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.