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Finding the Fourth Proportional to 424,690.27, 586,097.81 and 243,413.92

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Solution

The fourth proportional to 424,690.27, 586,097.81 and 243,413.92 is: 335,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,690.27 : 586,097.81 = 243,413.92 : x
  2. Step 2: Convert to fraction form
    424,690.27/586,097.81 = 243,413.92/x
  3. Step 3: Cross multiply
    424,690.27x = 586,097.81 × 243,413.92
  4. Step 4: Simplify right side
    424,690.27x = 142,664,365,435.52
  5. Step 5: Solve for x
    x = 142,664,365,435.52/424,690.27
  6. Step 6: Final answer
    x = 335,925.67

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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.