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Finding the Fourth Proportional to 586,613.48, 809,108.33 and 538,370.87

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Solution

The fourth proportional to 586,613.48, 809,108.33 and 538,370.87 is: 742,567.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,613.48 : 809,108.33 = 538,370.87 : x
  2. Step 2: Convert to fraction form
    586,613.48/809,108.33 = 538,370.87/x
  3. Step 3: Cross multiply
    586,613.48x = 809,108.33 × 538,370.87
  4. Step 4: Simplify right side
    586,613.48x = 435,600,348,808.95
  5. Step 5: Solve for x
    x = 435,600,348,808.95/586,613.48
  6. Step 6: Final answer
    x = 742,567.92

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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.