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Finding the Fourth Proportional to 605,114.70, 907,672.05 and 555,348.30

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Solution

The fourth proportional to 605,114.70, 907,672.05 and 555,348.30 is: 833,022.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,114.70 : 907,672.05 = 555,348.30 : x
  2. Step 2: Convert to fraction form
    605,114.70/907,672.05 = 555,348.30/x
  3. Step 3: Cross multiply
    605,114.70x = 907,672.05 × 555,348.30
  4. Step 4: Simplify right side
    605,114.70x = 504,074,129,925.02
  5. Step 5: Solve for x
    x = 504,074,129,925.02/605,114.70
  6. Step 6: Final answer
    x = 833,022.45

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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.