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Finding the Fourth Proportional to 417,309.92, 575,834.88 and 247,510.88

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Solution

The fourth proportional to 417,309.92, 575,834.88 and 247,510.88 is: 341,533.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,309.92 : 575,834.88 = 247,510.88 : x
  2. Step 2: Convert to fraction form
    417,309.92/575,834.88 = 247,510.88/x
  3. Step 3: Cross multiply
    417,309.92x = 575,834.88 × 247,510.88
  4. Step 4: Simplify right side
    417,309.92x = 142,525,397,883.49
  5. Step 5: Solve for x
    x = 142,525,397,883.49/417,309.92
  6. Step 6: Final answer
    x = 341,533.69

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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.