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Finding the Fourth Proportional to 546,062.50, 819,038.40 and 146,651.38

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Solution

The fourth proportional to 546,062.50, 819,038.40 and 146,651.38 is: 219,962.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,062.50 : 819,038.40 = 146,651.38 : x
  2. Step 2: Convert to fraction form
    546,062.50/819,038.40 = 146,651.38/x
  3. Step 3: Cross multiply
    546,062.50x = 819,038.40 × 146,651.38
  4. Step 4: Simplify right side
    546,062.50x = 120,113,111,632.99
  5. Step 5: Solve for x
    x = 120,113,111,632.99/546,062.50
  6. Step 6: Final answer
    x = 219,962.21

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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.