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Finding the Fourth Proportional to 587,110.80, 880,442.64 and 249,938.64

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Solution

The fourth proportional to 587,110.80, 880,442.64 and 249,938.64 is: 374,812.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,110.80 : 880,442.64 = 249,938.64 : x
  2. Step 2: Convert to fraction form
    587,110.80/880,442.64 = 249,938.64/x
  3. Step 3: Cross multiply
    587,110.80x = 880,442.64 × 249,938.64
  4. Step 4: Simplify right side
    587,110.80x = 220,056,636,039.61
  5. Step 5: Solve for x
    x = 220,056,636,039.61/587,110.80
  6. Step 6: Final answer
    x = 374,812.79

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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.