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Finding the Fourth Proportional to 354,973.60, 532,719.60 and 249,997.60

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Solution

The fourth proportional to 354,973.60, 532,719.60 and 249,997.60 is: 375,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,973.60 : 532,719.60 = 249,997.60 : x
  2. Step 2: Convert to fraction form
    354,973.60/532,719.60 = 249,997.60/x
  3. Step 3: Cross multiply
    354,973.60x = 532,719.60 × 249,997.60
  4. Step 4: Simplify right side
    354,973.60x = 133,178,621,472.96
  5. Step 5: Solve for x
    x = 133,178,621,472.96/354,973.60
  6. Step 6: Final answer
    x = 375,178.95

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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.