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Finding the Fourth Proportional to 605,042.40, 906,251.40 and 500,066.40

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Solution

The fourth proportional to 605,042.40, 906,251.40 and 500,066.40 is: 749,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,042.40 : 906,251.40 = 500,066.40 : x
  2. Step 2: Convert to fraction form
    605,042.40/906,251.40 = 500,066.40/x
  3. Step 3: Cross multiply
    605,042.40x = 906,251.40 × 500,066.40
  4. Step 4: Simplify right side
    605,042.40x = 453,185,875,092.96
  5. Step 5: Solve for x
    x = 453,185,875,092.96/605,042.40
  6. Step 6: Final answer
    x = 749,015.07

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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.