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Finding the Fourth Proportional to 605,434.10, 908,151.15 and 510,955.70

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Solution

The fourth proportional to 605,434.10, 908,151.15 and 510,955.70 is: 766,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,434.10 : 908,151.15 = 510,955.70 : x
  2. Step 2: Convert to fraction form
    605,434.10/908,151.15 = 510,955.70/x
  3. Step 3: Cross multiply
    605,434.10x = 908,151.15 × 510,955.70
  4. Step 4: Simplify right side
    605,434.10x = 464,025,006,554.06
  5. Step 5: Solve for x
    x = 464,025,006,554.06/605,434.10
  6. Step 6: Final answer
    x = 766,433.55

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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.