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Finding the Fourth Proportional to 568,382.52, 784,425.42 and 488,075.88

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Solution

The fourth proportional to 568,382.52, 784,425.42 and 488,075.88 is: 673,594.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,382.52 : 784,425.42 = 488,075.88 : x
  2. Step 2: Convert to fraction form
    568,382.52/784,425.42 = 488,075.88/x
  3. Step 3: Cross multiply
    568,382.52x = 784,425.42 × 488,075.88
  4. Step 4: Simplify right side
    568,382.52x = 382,859,127,160.87
  5. Step 5: Solve for x
    x = 382,859,127,160.87/568,382.52
  6. Step 6: Final answer
    x = 673,594.13

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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.