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Finding the Fourth Proportional to 524,352.20, 723,705.53 and 328,209.69

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Solution

The fourth proportional to 524,352.20, 723,705.53 and 328,209.69 is: 452,991.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,352.20 : 723,705.53 = 328,209.69 : x
  2. Step 2: Convert to fraction form
    524,352.20/723,705.53 = 328,209.69/x
  3. Step 3: Cross multiply
    524,352.20x = 723,705.53 × 328,209.69
  4. Step 4: Simplify right side
    524,352.20x = 237,527,167,820.80
  5. Step 5: Solve for x
    x = 237,527,167,820.80/524,352.20
  6. Step 6: Final answer
    x = 452,991.65

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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.