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Finding the Fourth Proportional to 546,514.76, 819,710.55 and 147,184.76

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Solution

The fourth proportional to 546,514.76, 819,710.55 and 147,184.76 is: 220,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,514.76 : 819,710.55 = 147,184.76 : x
  2. Step 2: Convert to fraction form
    546,514.76/819,710.55 = 147,184.76/x
  3. Step 3: Cross multiply
    546,514.76x = 819,710.55 × 147,184.76
  4. Step 4: Simplify right side
    546,514.76x = 120,648,900,571.22
  5. Step 5: Solve for x
    x = 120,648,900,571.22/546,514.76
  6. Step 6: Final answer
    x = 220,760.55

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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.