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Finding the Fourth Proportional to 610,417,619.70, 915,626,429.55 and 586,609,062.90

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Solution

The fourth proportional to 610,417,619.70, 915,626,429.55 and 586,609,062.90 is: 879,913,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,417,619.70 : 915,626,429.55 = 586,609,062.90 : x
  2. Step 2: Convert to fraction form
    610,417,619.70/915,626,429.55 = 586,609,062.90/x
  3. Step 3: Cross multiply
    610,417,619.70x = 915,626,429.55 × 586,609,062.90
  4. Step 4: Simplify right side
    610,417,619.70x = 537,114,761,804,798,336
  5. Step 5: Solve for x
    x = 537,114,761,804,798,336/610,417,619.70
  6. Step 6: Final answer
    x = 879,913,594.35

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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.