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Finding the Fourth Proportional to 520,062.30, 780,093.45 and 460,964.70

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Solution

The fourth proportional to 520,062.30, 780,093.45 and 460,964.70 is: 691,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,062.30 : 780,093.45 = 460,964.70 : x
  2. Step 2: Convert to fraction form
    520,062.30/780,093.45 = 460,964.70/x
  3. Step 3: Cross multiply
    520,062.30x = 780,093.45 × 460,964.70
  4. Step 4: Simplify right side
    520,062.30x = 359,595,543,151.22
  5. Step 5: Solve for x
    x = 359,595,543,151.22/520,062.30
  6. Step 6: Final answer
    x = 691,447.05

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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.