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Finding the Fourth Proportional to 546,009.58, 753,957.66 and 342,401.50

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Solution

The fourth proportional to 546,009.58, 753,957.66 and 342,401.50 is: 472,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,009.58 : 753,957.66 = 342,401.50 : x
  2. Step 2: Convert to fraction form
    546,009.58/753,957.66 = 342,401.50/x
  3. Step 3: Cross multiply
    546,009.58x = 753,957.66 × 342,401.50
  4. Step 4: Simplify right side
    546,009.58x = 258,156,233,720.49
  5. Step 5: Solve for x
    x = 258,156,233,720.49/546,009.58
  6. Step 6: Final answer
    x = 472,805.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.