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Finding the Fourth Proportional to 424,605.61, 586,217.55 and 292,226.50

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Solution

The fourth proportional to 424,605.61, 586,217.55 and 292,226.50 is: 403,452.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,605.61 : 586,217.55 = 292,226.50 : x
  2. Step 2: Convert to fraction form
    424,605.61/586,217.55 = 292,226.50/x
  3. Step 3: Cross multiply
    424,605.61x = 586,217.55 × 292,226.50
  4. Step 4: Simplify right side
    424,605.61x = 171,308,302,875.08
  5. Step 5: Solve for x
    x = 171,308,302,875.08/424,605.61
  6. Step 6: Final answer
    x = 403,452.75

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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.