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Finding the Fourth Proportional to 465,308.12, 698,559.91 and 358,759.76

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Solution

The fourth proportional to 465,308.12, 698,559.91 and 358,759.76 is: 538,600.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,308.12 : 698,559.91 = 358,759.76 : x
  2. Step 2: Convert to fraction form
    465,308.12/698,559.91 = 358,759.76/x
  3. Step 3: Cross multiply
    465,308.12x = 698,559.91 × 358,759.76
  4. Step 4: Simplify right side
    465,308.12x = 250,615,181,267.52
  5. Step 5: Solve for x
    x = 250,615,181,267.52/465,308.12
  6. Step 6: Final answer
    x = 538,600.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.