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Finding the Fourth Proportional to 733,803.60, 1,099,344.60 and 417,320.40

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Solution

The fourth proportional to 733,803.60, 1,099,344.60 and 417,320.40 is: 625,206.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,803.60 : 1,099,344.60 = 417,320.40 : x
  2. Step 2: Convert to fraction form
    733,803.60/1,099,344.60 = 417,320.40/x
  3. Step 3: Cross multiply
    733,803.60x = 1,099,344.60 × 417,320.40
  4. Step 4: Simplify right side
    733,803.60x = 458,778,928,209.84
  5. Step 5: Solve for x
    x = 458,778,928,209.84/733,803.60
  6. Step 6: Final answer
    x = 625,206.70

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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.