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Finding the Fourth Proportional to 611,397,694.20, 917,096,541.30 and 611,397,694.20

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Solution

The fourth proportional to 611,397,694.20, 917,096,541.30 and 611,397,694.20 is: 917,096,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,397,694.20 : 917,096,541.30 = 611,397,694.20 : x
  2. Step 2: Convert to fraction form
    611,397,694.20/917,096,541.30 = 611,397,694.20/x
  3. Step 3: Cross multiply
    611,397,694.20x = 917,096,541.30 × 611,397,694.20
  4. Step 4: Simplify right side
    611,397,694.20x = 560,710,710,709,615,104
  5. Step 5: Solve for x
    x = 560,710,710,709,615,104/611,397,694.20
  6. Step 6: Final answer
    x = 917,096,541.30

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Double scale
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1.5x scale

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.