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Finding the Fourth Proportional to 575,876.80, 794,704.56 and 317,756.08

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Solution

The fourth proportional to 575,876.80, 794,704.56 and 317,756.08 is: 438,500.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,876.80 : 794,704.56 = 317,756.08 : x
  2. Step 2: Convert to fraction form
    575,876.80/794,704.56 = 317,756.08/x
  3. Step 3: Cross multiply
    575,876.80x = 794,704.56 × 317,756.08
  4. Step 4: Simplify right side
    575,876.80x = 252,522,205,743.73
  5. Step 5: Solve for x
    x = 252,522,205,743.73/575,876.80
  6. Step 6: Final answer
    x = 438,500.40

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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.