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Finding the Fourth Proportional to 702,560.40, 969,295.38 and 457,433.22

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Solution

The fourth proportional to 702,560.40, 969,295.38 and 457,433.22 is: 631,102.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,560.40 : 969,295.38 = 457,433.22 : x
  2. Step 2: Convert to fraction form
    702,560.40/969,295.38 = 457,433.22/x
  3. Step 3: Cross multiply
    702,560.40x = 969,295.38 × 457,433.22
  4. Step 4: Simplify right side
    702,560.40x = 443,387,906,804.52
  5. Step 5: Solve for x
    x = 443,387,906,804.52/702,560.40
  6. Step 6: Final answer
    x = 631,102.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.