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Finding the Fourth Proportional to 524,452.39, 723,482.28 and 331,099.72

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Solution

The fourth proportional to 524,452.39, 723,482.28 and 331,099.72 is: 456,752.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,452.39 : 723,482.28 = 331,099.72 : x
  2. Step 2: Convert to fraction form
    524,452.39/723,482.28 = 331,099.72/x
  3. Step 3: Cross multiply
    524,452.39x = 723,482.28 × 331,099.72
  4. Step 4: Simplify right side
    524,452.39x = 239,544,778,524.26
  5. Step 5: Solve for x
    x = 239,544,778,524.26/524,452.39
  6. Step 6: Final answer
    x = 456,752.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.