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Finding the Fourth Proportional to 575,505.08, 794,197.50 and 320,851.16

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Solution

The fourth proportional to 575,505.08, 794,197.50 and 320,851.16 is: 442,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,505.08 : 794,197.50 = 320,851.16 : x
  2. Step 2: Convert to fraction form
    575,505.08/794,197.50 = 320,851.16/x
  3. Step 3: Cross multiply
    575,505.08x = 794,197.50 × 320,851.16
  4. Step 4: Simplify right side
    575,505.08x = 254,819,189,144.10
  5. Step 5: Solve for x
    x = 254,819,189,144.10/575,505.08
  6. Step 6: Final answer
    x = 442,774.87

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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.