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Finding the Fourth Proportional to 416,699.33, 575,010.98 and 235,427

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Solution

The fourth proportional to 416,699.33, 575,010.98 and 235,427 is: 324,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,699.33 : 575,010.98 = 235,427 : x
  2. Step 2: Convert to fraction form
    416,699.33/575,010.98 = 235,427/x
  3. Step 3: Cross multiply
    416,699.33x = 575,010.98 × 235,427
  4. Step 4: Simplify right side
    416,699.33x = 135,373,109,988.46
  5. Step 5: Solve for x
    x = 135,373,109,988.46/416,699.33
  6. Step 6: Final answer
    x = 324,870.00

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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.