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Finding the Fourth Proportional to 625,171.30, 936,374.55 and 483,820.90

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Solution

The fourth proportional to 625,171.30, 936,374.55 and 483,820.90 is: 724,661.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,171.30 : 936,374.55 = 483,820.90 : x
  2. Step 2: Convert to fraction form
    625,171.30/936,374.55 = 483,820.90/x
  3. Step 3: Cross multiply
    625,171.30x = 936,374.55 × 483,820.90
  4. Step 4: Simplify right side
    625,171.30x = 453,037,577,518.10
  5. Step 5: Solve for x
    x = 453,037,577,518.10/625,171.30
  6. Step 6: Final answer
    x = 724,661.51

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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.