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Finding the Fourth Proportional to 575,713.20, 794,484.96 and 317,584.32

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Solution

The fourth proportional to 575,713.20, 794,484.96 and 317,584.32 is: 438,266.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,713.20 : 794,484.96 = 317,584.32 : x
  2. Step 2: Convert to fraction form
    575,713.20/794,484.96 = 317,584.32/x
  3. Step 3: Cross multiply
    575,713.20x = 794,484.96 × 317,584.32
  4. Step 4: Simplify right side
    575,713.20x = 252,315,965,771.83
  5. Step 5: Solve for x
    x = 252,315,965,771.83/575,713.20
  6. Step 6: Final answer
    x = 438,266.77

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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.