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Finding the Fourth Proportional to 600,560.40, 828,691.64 and 358,791.76

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Solution

The fourth proportional to 600,560.40, 828,691.64 and 358,791.76 is: 495,083.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,560.40 : 828,691.64 = 358,791.76 : x
  2. Step 2: Convert to fraction form
    600,560.40/828,691.64 = 358,791.76/x
  3. Step 3: Cross multiply
    600,560.40x = 828,691.64 × 358,791.76
  4. Step 4: Simplify right side
    600,560.40x = 297,327,732,012.89
  5. Step 5: Solve for x
    x = 297,327,732,012.89/600,560.40
  6. Step 6: Final answer
    x = 495,083.81

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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.