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Finding the Fourth Proportional to 417,188.36, 575,684.34 and 235,891.40

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Solution

The fourth proportional to 417,188.36, 575,684.34 and 235,891.40 is: 325,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,188.36 : 575,684.34 = 235,891.40 : x
  2. Step 2: Convert to fraction form
    417,188.36/575,684.34 = 235,891.40/x
  3. Step 3: Cross multiply
    417,188.36x = 575,684.34 × 235,891.40
  4. Step 4: Simplify right side
    417,188.36x = 135,798,984,920.68
  5. Step 5: Solve for x
    x = 135,798,984,920.68/417,188.36
  6. Step 6: Final answer
    x = 325,510.00

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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.