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Finding the Fourth Proportional to 417,215.88, 575,769.48 and 235,955.04

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Solution

The fourth proportional to 417,215.88, 575,769.48 and 235,955.04 is: 325,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,215.88 : 575,769.48 = 235,955.04 : x
  2. Step 2: Convert to fraction form
    417,215.88/575,769.48 = 235,955.04/x
  3. Step 3: Cross multiply
    417,215.88x = 575,769.48 × 235,955.04
  4. Step 4: Simplify right side
    417,215.88x = 135,855,710,684.18
  5. Step 5: Solve for x
    x = 135,855,710,684.18/417,215.88
  6. Step 6: Final answer
    x = 325,624.50

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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.