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Finding the Fourth Proportional to 734,585.10, 1,101,877.65 and 482,642.70

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Solution

The fourth proportional to 734,585.10, 1,101,877.65 and 482,642.70 is: 723,964.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,585.10 : 1,101,877.65 = 482,642.70 : x
  2. Step 2: Convert to fraction form
    734,585.10/1,101,877.65 = 482,642.70/x
  3. Step 3: Cross multiply
    734,585.10x = 1,101,877.65 × 482,642.70
  4. Step 4: Simplify right side
    734,585.10x = 531,813,204,065.66
  5. Step 5: Solve for x
    x = 531,813,204,065.66/734,585.10
  6. Step 6: Final answer
    x = 723,964.05

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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.