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Finding the Fourth Proportional to 970,061.80, 1,455,092.70 and 767,108.20

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Solution

The fourth proportional to 970,061.80, 1,455,092.70 and 767,108.20 is: 1,150,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,061.80 : 1,455,092.70 = 767,108.20 : x
  2. Step 2: Convert to fraction form
    970,061.80/1,455,092.70 = 767,108.20/x
  3. Step 3: Cross multiply
    970,061.80x = 1,455,092.70 × 767,108.20
  4. Step 4: Simplify right side
    970,061.80x = 1,116,213,541,930.14
  5. Step 5: Solve for x
    x = 1,116,213,541,930.14/970,061.80
  6. Step 6: Final answer
    x = 1,150,662.30

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Similar ratio
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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.