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Finding the Fourth Proportional to 546,521.80, 819,897.90 and 230,816.20

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Solution

The fourth proportional to 546,521.80, 819,897.90 and 230,816.20 is: 346,272.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,521.80 : 819,897.90 = 230,816.20 : x
  2. Step 2: Convert to fraction form
    546,521.80/819,897.90 = 230,816.20/x
  3. Step 3: Cross multiply
    546,521.80x = 819,897.90 × 230,816.20
  4. Step 4: Simplify right side
    546,521.80x = 189,245,717,665.98
  5. Step 5: Solve for x
    x = 189,245,717,665.98/546,521.80
  6. Step 6: Final answer
    x = 346,272.95

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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.