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Finding the Fourth Proportional to 709,211.10, 959,301.24 and 709,211.10

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Solution

The fourth proportional to 709,211.10, 959,301.24 and 709,211.10 is: 959,301.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,211.10 : 959,301.24 = 709,211.10 : x
  2. Step 2: Convert to fraction form
    709,211.10/959,301.24 = 709,211.10/x
  3. Step 3: Cross multiply
    709,211.10x = 959,301.24 × 709,211.10
  4. Step 4: Simplify right side
    709,211.10x = 680,347,087,651.76
  5. Step 5: Solve for x
    x = 680,347,087,651.76/709,211.10
  6. Step 6: Final answer
    x = 959,301.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.