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Finding the Fourth Proportional to 934,321.60, 1,399,149.60 and 617,060.80

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Solution

The fourth proportional to 934,321.60, 1,399,149.60 and 617,060.80 is: 924,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,321.60 : 1,399,149.60 = 617,060.80 : x
  2. Step 2: Convert to fraction form
    934,321.60/1,399,149.60 = 617,060.80/x
  3. Step 3: Cross multiply
    934,321.60x = 1,399,149.60 × 617,060.80
  4. Step 4: Simplify right side
    934,321.60x = 863,360,371,495.68
  5. Step 5: Solve for x
    x = 863,360,371,495.68/934,321.60
  6. Step 6: Final answer
    x = 924,050.53

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1.5x scale

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.