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Finding the Fourth Proportional to 546,561.80, 819,957.90 and 230,856.20

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Solution

The fourth proportional to 546,561.80, 819,957.90 and 230,856.20 is: 346,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,561.80 : 819,957.90 = 230,856.20 : x
  2. Step 2: Convert to fraction form
    546,561.80/819,957.90 = 230,856.20/x
  3. Step 3: Cross multiply
    546,561.80x = 819,957.90 × 230,856.20
  4. Step 4: Simplify right side
    546,561.80x = 189,292,364,953.98
  5. Step 5: Solve for x
    x = 189,292,364,953.98/546,561.80
  6. Step 6: Final answer
    x = 346,332.96

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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.