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Finding the Fourth Proportional to 572,768.74, 790,776.03 and 369,170.38

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Solution

The fourth proportional to 572,768.74, 790,776.03 and 369,170.38 is: 509,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,768.74 : 790,776.03 = 369,170.38 : x
  2. Step 2: Convert to fraction form
    572,768.74/790,776.03 = 369,170.38/x
  3. Step 3: Cross multiply
    572,768.74x = 790,776.03 × 369,170.38
  4. Step 4: Simplify right side
    572,768.74x = 291,931,087,489.99
  5. Step 5: Solve for x
    x = 291,931,087,489.99/572,768.74
  6. Step 6: Final answer
    x = 509,684.04

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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.