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Finding the Fourth Proportional to 546,210.91, 819,316.36 and 172,233.91

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Solution

The fourth proportional to 546,210.91, 819,316.36 and 172,233.91 is: 258,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,210.91 : 819,316.36 = 172,233.91 : x
  2. Step 2: Convert to fraction form
    546,210.91/819,316.36 = 172,233.91/x
  3. Step 3: Cross multiply
    546,210.91x = 819,316.36 × 172,233.91
  4. Step 4: Simplify right side
    546,210.91x = 141,114,060,209.77
  5. Step 5: Solve for x
    x = 141,114,060,209.77/546,210.91
  6. Step 6: Final answer
    x = 258,350.86

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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.