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Finding the Fourth Proportional to 424,689.77, 586,097.11 and 243,413.41

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Solution

The fourth proportional to 424,689.77, 586,097.11 and 243,413.41 is: 335,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,689.77 : 586,097.11 = 243,413.41 : x
  2. Step 2: Convert to fraction form
    424,689.77/586,097.11 = 243,413.41/x
  3. Step 3: Cross multiply
    424,689.77x = 586,097.11 × 243,413.41
  4. Step 4: Simplify right side
    424,689.77x = 142,663,896,136.25
  5. Step 5: Solve for x
    x = 142,663,896,136.25/424,689.77
  6. Step 6: Final answer
    x = 335,924.97

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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.