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Finding the Fourth Proportional to 575,498.25, 794,189.12 and 317,368.80

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Solution

The fourth proportional to 575,498.25, 794,189.12 and 317,368.80 is: 437,969.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,498.25 : 794,189.12 = 317,368.80 : x
  2. Step 2: Convert to fraction form
    575,498.25/794,189.12 = 317,368.80/x
  3. Step 3: Cross multiply
    575,498.25x = 794,189.12 × 317,368.80
  4. Step 4: Simplify right side
    575,498.25x = 252,050,846,400.61
  5. Step 5: Solve for x
    x = 252,050,846,400.61/575,498.25
  6. Step 6: Final answer
    x = 437,969.79

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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.