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Finding the Fourth Proportional to 605,790.30, 908,685.45 and 601,643.10

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Solution

The fourth proportional to 605,790.30, 908,685.45 and 601,643.10 is: 902,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,790.30 : 908,685.45 = 601,643.10 : x
  2. Step 2: Convert to fraction form
    605,790.30/908,685.45 = 601,643.10/x
  3. Step 3: Cross multiply
    605,790.30x = 908,685.45 × 601,643.10
  4. Step 4: Simplify right side
    605,790.30x = 546,704,331,062.90
  5. Step 5: Solve for x
    x = 546,704,331,062.90/605,790.30
  6. Step 6: Final answer
    x = 902,464.65

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Similar ratio
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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.