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Finding the Fourth Proportional to 622,750.60, 934,125.90 and 610,940.80

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Solution

The fourth proportional to 622,750.60, 934,125.90 and 610,940.80 is: 916,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,750.60 : 934,125.90 = 610,940.80 : x
  2. Step 2: Convert to fraction form
    622,750.60/934,125.90 = 610,940.80/x
  3. Step 3: Cross multiply
    622,750.60x = 934,125.90 × 610,940.80
  4. Step 4: Simplify right side
    622,750.60x = 570,695,624,646.72
  5. Step 5: Solve for x
    x = 570,695,624,646.72/622,750.60
  6. Step 6: Final answer
    x = 916,411.20

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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.