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Finding the Fourth Proportional to 616,272.70, 865,270.10 and 616,272.70

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Solution

The fourth proportional to 616,272.70, 865,270.10 and 616,272.70 is: 865,270.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,272.70 : 865,270.10 = 616,272.70 : x
  2. Step 2: Convert to fraction form
    616,272.70/865,270.10 = 616,272.70/x
  3. Step 3: Cross multiply
    616,272.70x = 865,270.10 × 616,272.70
  4. Step 4: Simplify right side
    616,272.70x = 533,242,340,756.27
  5. Step 5: Solve for x
    x = 533,242,340,756.27/616,272.70
  6. Step 6: Final answer
    x = 865,270.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.