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Finding the Fourth Proportional to 607,337.70, 911,006.55 and 465,620.10

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Solution

The fourth proportional to 607,337.70, 911,006.55 and 465,620.10 is: 698,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,337.70 : 911,006.55 = 465,620.10 : x
  2. Step 2: Convert to fraction form
    607,337.70/911,006.55 = 465,620.10/x
  3. Step 3: Cross multiply
    607,337.70x = 911,006.55 × 465,620.10
  4. Step 4: Simplify right side
    607,337.70x = 424,182,960,911.66
  5. Step 5: Solve for x
    x = 424,182,960,911.66/607,337.70
  6. Step 6: Final answer
    x = 698,430.15

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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.