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Finding the Fourth Proportional to 575,992.50, 794,869.65 and 321,343.62

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Solution

The fourth proportional to 575,992.50, 794,869.65 and 321,343.62 is: 443,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,992.50 : 794,869.65 = 321,343.62 : x
  2. Step 2: Convert to fraction form
    575,992.50/794,869.65 = 321,343.62/x
  3. Step 3: Cross multiply
    575,992.50x = 794,869.65 × 321,343.62
  4. Step 4: Simplify right side
    575,992.50x = 255,426,290,759.13
  5. Step 5: Solve for x
    x = 255,426,290,759.13/575,992.50
  6. Step 6: Final answer
    x = 443,454.20

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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.