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Finding the Fourth Proportional to 561,907.56, 842,862.18 and 229,483.56

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Solution

The fourth proportional to 561,907.56, 842,862.18 and 229,483.56 is: 344,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,907.56 : 842,862.18 = 229,483.56 : x
  2. Step 2: Convert to fraction form
    561,907.56/842,862.18 = 229,483.56/x
  3. Step 3: Cross multiply
    561,907.56x = 842,862.18 × 229,483.56
  4. Step 4: Simplify right side
    561,907.56x = 193,423,013,655.76
  5. Step 5: Solve for x
    x = 193,423,013,655.76/561,907.56
  6. Step 6: Final answer
    x = 344,225.68

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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.