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Finding the Fourth Proportional to 575,454.92, 794,109.56 and 317,342.76

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Solution

The fourth proportional to 575,454.92, 794,109.56 and 317,342.76 is: 437,922.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,454.92 : 794,109.56 = 317,342.76 : x
  2. Step 2: Convert to fraction form
    575,454.92/794,109.56 = 317,342.76/x
  3. Step 3: Cross multiply
    575,454.92x = 794,109.56 × 317,342.76
  4. Step 4: Simplify right side
    575,454.92x = 252,004,919,512.79
  5. Step 5: Solve for x
    x = 252,004,919,512.79/575,454.92
  6. Step 6: Final answer
    x = 437,922.96

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Double scale
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Similar ratio
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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.