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Finding the Fourth Proportional to 575,251.75, 793,851.35 and 320,619.34

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Solution

The fourth proportional to 575,251.75, 793,851.35 and 320,619.34 is: 442,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,251.75 : 793,851.35 = 320,619.34 : x
  2. Step 2: Convert to fraction form
    575,251.75/793,851.35 = 320,619.34/x
  3. Step 3: Cross multiply
    575,251.75x = 793,851.35 × 320,619.34
  4. Step 4: Simplify right side
    575,251.75x = 254,524,095,895.11
  5. Step 5: Solve for x
    x = 254,524,095,895.11/575,251.75
  6. Step 6: Final answer
    x = 442,456.88

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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.