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Finding the Fourth Proportional to 623,655.44, 935,470.20 and 249,578

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Solution

The fourth proportional to 623,655.44, 935,470.20 and 249,578 is: 374,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,655.44 : 935,470.20 = 249,578 : x
  2. Step 2: Convert to fraction form
    623,655.44/935,470.20 = 249,578/x
  3. Step 3: Cross multiply
    623,655.44x = 935,470.20 × 249,578
  4. Step 4: Simplify right side
    623,655.44x = 233,472,781,575.60
  5. Step 5: Solve for x
    x = 233,472,781,575.60/623,655.44
  6. Step 6: Final answer
    x = 374,361.81

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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.