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Finding the Fourth Proportional to 572,199.08, 790,290.09 and 376,838.87

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Solution

The fourth proportional to 572,199.08, 790,290.09 and 376,838.87 is: 520,469.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,199.08 : 790,290.09 = 376,838.87 : x
  2. Step 2: Convert to fraction form
    572,199.08/790,290.09 = 376,838.87/x
  3. Step 3: Cross multiply
    572,199.08x = 790,290.09 × 376,838.87
  4. Step 4: Simplify right side
    572,199.08x = 297,812,024,487.80
  5. Step 5: Solve for x
    x = 297,812,024,487.80/572,199.08
  6. Step 6: Final answer
    x = 520,469.25

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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.