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Finding the Fourth Proportional to 586,917.90, 880,704.90 and 249,901.20

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Solution

The fourth proportional to 586,917.90, 880,704.90 and 249,901.20 is: 374,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,917.90 : 880,704.90 = 249,901.20 : x
  2. Step 2: Convert to fraction form
    586,917.90/880,704.90 = 249,901.20/x
  3. Step 3: Cross multiply
    586,917.90x = 880,704.90 × 249,901.20
  4. Step 4: Simplify right side
    586,917.90x = 220,089,211,355.88
  5. Step 5: Solve for x
    x = 220,089,211,355.88/586,917.90
  6. Step 6: Final answer
    x = 374,991.48

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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.