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Finding the Fourth Proportional to 604,604.10, 906,906.15 and 511,292.10

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Solution

The fourth proportional to 604,604.10, 906,906.15 and 511,292.10 is: 766,938.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,604.10 : 906,906.15 = 511,292.10 : x
  2. Step 2: Convert to fraction form
    604,604.10/906,906.15 = 511,292.10/x
  3. Step 3: Cross multiply
    604,604.10x = 906,906.15 × 511,292.10
  4. Step 4: Simplify right side
    604,604.10x = 463,693,949,936.42
  5. Step 5: Solve for x
    x = 463,693,949,936.42/604,604.10
  6. Step 6: Final answer
    x = 766,938.15

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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.