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Finding the Fourth Proportional to 616,265.70, 865,260.30 and 616,265.70

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Solution

The fourth proportional to 616,265.70, 865,260.30 and 616,265.70 is: 865,260.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,265.70 : 865,260.30 = 616,265.70 : x
  2. Step 2: Convert to fraction form
    616,265.70/865,260.30 = 616,265.70/x
  3. Step 3: Cross multiply
    616,265.70x = 865,260.30 × 616,265.70
  4. Step 4: Simplify right side
    616,265.70x = 533,230,244,461.71
  5. Step 5: Solve for x
    x = 533,230,244,461.71/616,265.70
  6. Step 6: Final answer
    x = 865,260.30

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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.