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Finding the Fourth Proportional to 582,077.96, 803,255.70 and 340,503.56

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Solution

The fourth proportional to 582,077.96, 803,255.70 and 340,503.56 is: 469,887.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,077.96 : 803,255.70 = 340,503.56 : x
  2. Step 2: Convert to fraction form
    582,077.96/803,255.70 = 340,503.56/x
  3. Step 3: Cross multiply
    582,077.96x = 803,255.70 × 340,503.56
  4. Step 4: Simplify right side
    582,077.96x = 273,511,425,440.29
  5. Step 5: Solve for x
    x = 273,511,425,440.29/582,077.96
  6. Step 6: Final answer
    x = 469,887.96

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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.