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Finding the Fourth Proportional to 584,250.48, 806,266.20 and 315,978.48

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Solution

The fourth proportional to 584,250.48, 806,266.20 and 315,978.48 is: 436,050.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,250.48 : 806,266.20 = 315,978.48 : x
  2. Step 2: Convert to fraction form
    584,250.48/806,266.20 = 315,978.48/x
  3. Step 3: Cross multiply
    584,250.48x = 806,266.20 × 315,978.48
  4. Step 4: Simplify right side
    584,250.48x = 254,762,768,351.38
  5. Step 5: Solve for x
    x = 254,762,768,351.38/584,250.48
  6. Step 6: Final answer
    x = 436,050.59

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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.