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Finding the Fourth Proportional to 605,622.30, 908,433.45 and 560,003.10

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Solution

The fourth proportional to 605,622.30, 908,433.45 and 560,003.10 is: 840,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,622.30 : 908,433.45 = 560,003.10 : x
  2. Step 2: Convert to fraction form
    605,622.30/908,433.45 = 560,003.10/x
  3. Step 3: Cross multiply
    605,622.30x = 908,433.45 × 560,003.10
  4. Step 4: Simplify right side
    605,622.30x = 508,725,548,143.70
  5. Step 5: Solve for x
    x = 508,725,548,143.70/605,622.30
  6. Step 6: Final answer
    x = 840,004.65

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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.