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Finding the Fourth Proportional to 567,250.06, 782,821.48 and 312,617.66

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Solution

The fourth proportional to 567,250.06, 782,821.48 and 312,617.66 is: 431,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,250.06 : 782,821.48 = 312,617.66 : x
  2. Step 2: Convert to fraction form
    567,250.06/782,821.48 = 312,617.66/x
  3. Step 3: Cross multiply
    567,250.06x = 782,821.48 × 312,617.66
  4. Step 4: Simplify right side
    567,250.06x = 244,723,819,275.34
  5. Step 5: Solve for x
    x = 244,723,819,275.34/567,250.06
  6. Step 6: Final answer
    x = 431,421.41

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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.