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Finding the Fourth Proportional to 575,404.22, 794,057.88 and 320,755.41

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Solution

The fourth proportional to 575,404.22, 794,057.88 and 320,755.41 is: 442,642.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,404.22 : 794,057.88 = 320,755.41 : x
  2. Step 2: Convert to fraction form
    575,404.22/794,057.88 = 320,755.41/x
  3. Step 3: Cross multiply
    575,404.22x = 794,057.88 × 320,755.41
  4. Step 4: Simplify right side
    575,404.22x = 254,698,360,863.13
  5. Step 5: Solve for x
    x = 254,698,360,863.13/575,404.22
  6. Step 6: Final answer
    x = 442,642.50

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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.