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Finding the Fourth Proportional to 575,740.53, 794,519.61 and 317,633.52

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Solution

The fourth proportional to 575,740.53, 794,519.61 and 317,633.52 is: 438,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,740.53 : 794,519.61 = 317,633.52 : x
  2. Step 2: Convert to fraction form
    575,740.53/794,519.61 = 317,633.52/x
  3. Step 3: Cross multiply
    575,740.53x = 794,519.61 × 317,633.52
  4. Step 4: Simplify right side
    575,740.53x = 252,366,060,433.33
  5. Step 5: Solve for x
    x = 252,366,060,433.33/575,740.53
  6. Step 6: Final answer
    x = 438,332.98

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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.