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Finding the Fourth Proportional to 836,007.20, 1,254,010.80 and 601,560.80

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Solution

The fourth proportional to 836,007.20, 1,254,010.80 and 601,560.80 is: 902,341.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,007.20 : 1,254,010.80 = 601,560.80 : x
  2. Step 2: Convert to fraction form
    836,007.20/1,254,010.80 = 601,560.80/x
  3. Step 3: Cross multiply
    836,007.20x = 1,254,010.80 × 601,560.80
  4. Step 4: Simplify right side
    836,007.20x = 754,363,740,056.64
  5. Step 5: Solve for x
    x = 754,363,740,056.64/836,007.20
  6. Step 6: Final answer
    x = 902,341.20

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Double scale
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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.