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Finding the Fourth Proportional to 543,998.13, 750,404.52 and 339,694.35

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Solution

The fourth proportional to 543,998.13, 750,404.52 and 339,694.35 is: 468,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,998.13 : 750,404.52 = 339,694.35 : x
  2. Step 2: Convert to fraction form
    543,998.13/750,404.52 = 339,694.35/x
  3. Step 3: Cross multiply
    543,998.13x = 750,404.52 × 339,694.35
  4. Step 4: Simplify right side
    543,998.13x = 254,908,175,658.46
  5. Step 5: Solve for x
    x = 254,908,175,658.46/543,998.13
  6. Step 6: Final answer
    x = 468,582.82

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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.