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Finding the Fourth Proportional to 531,510.92, 732,889.17 and 434,413.42

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Solution

The fourth proportional to 531,510.92, 732,889.17 and 434,413.42 is: 599,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,510.92 : 732,889.17 = 434,413.42 : x
  2. Step 2: Convert to fraction form
    531,510.92/732,889.17 = 434,413.42/x
  3. Step 3: Cross multiply
    531,510.92x = 732,889.17 × 434,413.42
  4. Step 4: Simplify right side
    531,510.92x = 318,376,888,988.44
  5. Step 5: Solve for x
    x = 318,376,888,988.44/531,510.92
  6. Step 6: Final answer
    x = 599,003.48

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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.