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Finding the Fourth Proportional to 532,088.60, 798,182.10 and 212,163.30

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Solution

The fourth proportional to 532,088.60, 798,182.10 and 212,163.30 is: 318,264.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,088.60 : 798,182.10 = 212,163.30 : x
  2. Step 2: Convert to fraction form
    532,088.60/798,182.10 = 212,163.30/x
  3. Step 3: Cross multiply
    532,088.60x = 798,182.10 × 212,163.30
  4. Step 4: Simplify right side
    532,088.60x = 169,344,948,336.93
  5. Step 5: Solve for x
    x = 169,344,948,336.93/532,088.60
  6. Step 6: Final answer
    x = 318,264.57

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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.