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Finding the Fourth Proportional to 605,729.80, 908,594.70 and 560,110.60

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Solution

The fourth proportional to 605,729.80, 908,594.70 and 560,110.60 is: 840,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,729.80 : 908,594.70 = 560,110.60 : x
  2. Step 2: Convert to fraction form
    605,729.80/908,594.70 = 560,110.60/x
  3. Step 3: Cross multiply
    605,729.80x = 908,594.70 × 560,110.60
  4. Step 4: Simplify right side
    605,729.80x = 508,913,522,573.82
  5. Step 5: Solve for x
    x = 508,913,522,573.82/605,729.80
  6. Step 6: Final answer
    x = 840,165.90

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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.