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Finding the Fourth Proportional to 417,160.80, 575,678.48 and 235,908.36

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Solution

The fourth proportional to 417,160.80, 575,678.48 and 235,908.36 is: 325,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,160.80 : 575,678.48 = 235,908.36 : x
  2. Step 2: Convert to fraction form
    417,160.80/575,678.48 = 235,908.36/x
  3. Step 3: Cross multiply
    417,160.80x = 575,678.48 × 235,908.36
  4. Step 4: Simplify right side
    417,160.80x = 135,807,366,104.09
  5. Step 5: Solve for x
    x = 135,807,366,104.09/417,160.80
  6. Step 6: Final answer
    x = 325,551.60

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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.