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Finding the Fourth Proportional to 541,344.40, 811,325.40 and 416,064.40

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Solution

The fourth proportional to 541,344.40, 811,325.40 and 416,064.40 is: 623,565.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,344.40 : 811,325.40 = 416,064.40 : x
  2. Step 2: Convert to fraction form
    541,344.40/811,325.40 = 416,064.40/x
  3. Step 3: Cross multiply
    541,344.40x = 811,325.40 × 416,064.40
  4. Step 4: Simplify right side
    541,344.40x = 337,563,615,755.76
  5. Step 5: Solve for x
    x = 337,563,615,755.76/541,344.40
  6. Step 6: Final answer
    x = 623,565.36

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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.