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Finding the Fourth Proportional to 616,006.20, 923,318.10 and 349,894.20

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Solution

The fourth proportional to 616,006.20, 923,318.10 and 349,894.20 is: 524,448.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,006.20 : 923,318.10 = 349,894.20 : x
  2. Step 2: Convert to fraction form
    616,006.20/923,318.10 = 349,894.20/x
  3. Step 3: Cross multiply
    616,006.20x = 923,318.10 × 349,894.20
  4. Step 4: Simplify right side
    616,006.20x = 323,063,647,945.02
  5. Step 5: Solve for x
    x = 323,063,647,945.02/616,006.20
  6. Step 6: Final answer
    x = 524,448.70

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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.