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Finding the Fourth Proportional to 519,074.01, 716,186.79 and 304,098.57

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Solution

The fourth proportional to 519,074.01, 716,186.79 and 304,098.57 is: 419,576.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,074.01 : 716,186.79 = 304,098.57 : x
  2. Step 2: Convert to fraction form
    519,074.01/716,186.79 = 304,098.57/x
  3. Step 3: Cross multiply
    519,074.01x = 716,186.79 × 304,098.57
  4. Step 4: Simplify right side
    519,074.01x = 217,791,378,691.89
  5. Step 5: Solve for x
    x = 217,791,378,691.89/519,074.01
  6. Step 6: Final answer
    x = 419,576.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.