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Finding the Fourth Proportional to 440,507.76, 607,881.24 and 249,517.32

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Solution

The fourth proportional to 440,507.76, 607,881.24 and 249,517.32 is: 344,322.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,507.76 : 607,881.24 = 249,517.32 : x
  2. Step 2: Convert to fraction form
    440,507.76/607,881.24 = 249,517.32/x
  3. Step 3: Cross multiply
    440,507.76x = 607,881.24 × 249,517.32
  4. Step 4: Simplify right side
    440,507.76x = 151,676,897,883.08
  5. Step 5: Solve for x
    x = 151,676,897,883.08/440,507.76
  6. Step 6: Final answer
    x = 344,322.87

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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.