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Finding the Fourth Proportional to 416,716.09, 575,070.95 and 225,729.47

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Solution

The fourth proportional to 416,716.09, 575,070.95 and 225,729.47 is: 311,508.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,716.09 : 575,070.95 = 225,729.47 : x
  2. Step 2: Convert to fraction form
    416,716.09/575,070.95 = 225,729.47/x
  3. Step 3: Cross multiply
    416,716.09x = 575,070.95 × 225,729.47
  4. Step 4: Simplify right side
    416,716.09x = 129,810,460,755.90
  5. Step 5: Solve for x
    x = 129,810,460,755.90/416,716.09
  6. Step 6: Final answer
    x = 311,508.16

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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.