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Finding the Fourth Proportional to 646,744.30, 970,116.45 and 610,002.70

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Solution

The fourth proportional to 646,744.30, 970,116.45 and 610,002.70 is: 915,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,744.30 : 970,116.45 = 610,002.70 : x
  2. Step 2: Convert to fraction form
    646,744.30/970,116.45 = 610,002.70/x
  3. Step 3: Cross multiply
    646,744.30x = 970,116.45 × 610,002.70
  4. Step 4: Simplify right side
    646,744.30x = 591,773,653,814.42
  5. Step 5: Solve for x
    x = 591,773,653,814.42/646,744.30
  6. Step 6: Final answer
    x = 915,004.05

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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.