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Finding the Fourth Proportional to 566,179.88, 781,333.70 and 311,536.53

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Solution

The fourth proportional to 566,179.88, 781,333.70 and 311,536.53 is: 429,923.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,179.88 : 781,333.70 = 311,536.53 : x
  2. Step 2: Convert to fraction form
    566,179.88/781,333.70 = 311,536.53/x
  3. Step 3: Cross multiply
    566,179.88x = 781,333.70 × 311,536.53
  4. Step 4: Simplify right side
    566,179.88x = 243,413,988,112.38
  5. Step 5: Solve for x
    x = 243,413,988,112.38/566,179.88
  6. Step 6: Final answer
    x = 429,923.42

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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.