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Finding the Fourth Proportional to 605,062.40, 906,281.40 and 500,086.40

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Solution

The fourth proportional to 605,062.40, 906,281.40 and 500,086.40 is: 749,045.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,062.40 : 906,281.40 = 500,086.40 : x
  2. Step 2: Convert to fraction form
    605,062.40/906,281.40 = 500,086.40/x
  3. Step 3: Cross multiply
    605,062.40x = 906,281.40 × 500,086.40
  4. Step 4: Simplify right side
    605,062.40x = 453,219,002,712.96
  5. Step 5: Solve for x
    x = 453,219,002,712.96/605,062.40
  6. Step 6: Final answer
    x = 749,045.06

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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.