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Finding the Fourth Proportional to 546,066.50, 819,044.40 and 146,655.38

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Solution

The fourth proportional to 546,066.50, 819,044.40 and 146,655.38 is: 219,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,066.50 : 819,044.40 = 146,655.38 : x
  2. Step 2: Convert to fraction form
    546,066.50/819,044.40 = 146,655.38/x
  3. Step 3: Cross multiply
    546,066.50x = 819,044.40 × 146,655.38
  4. Step 4: Simplify right side
    546,066.50x = 120,117,267,718.87
  5. Step 5: Solve for x
    x = 120,117,267,718.87/546,066.50
  6. Step 6: Final answer
    x = 219,968.20

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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.