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Finding the Fourth Proportional to 499,271.70, 748,907.55 and 249,921.30

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Solution

The fourth proportional to 499,271.70, 748,907.55 and 249,921.30 is: 374,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,271.70 : 748,907.55 = 249,921.30 : x
  2. Step 2: Convert to fraction form
    499,271.70/748,907.55 = 249,921.30/x
  3. Step 3: Cross multiply
    499,271.70x = 748,907.55 × 249,921.30
  4. Step 4: Simplify right side
    499,271.70x = 187,167,948,475.82
  5. Step 5: Solve for x
    x = 187,167,948,475.82/499,271.70
  6. Step 6: Final answer
    x = 374,881.95

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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.