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Finding the Fourth Proportional to 296,385.48, 408,973.86 and 169,053.48

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Solution

The fourth proportional to 296,385.48, 408,973.86 and 169,053.48 is: 233,272.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,385.48 : 408,973.86 = 169,053.48 : x
  2. Step 2: Convert to fraction form
    296,385.48/408,973.86 = 169,053.48/x
  3. Step 3: Cross multiply
    296,385.48x = 408,973.86 × 169,053.48
  4. Step 4: Simplify right side
    296,385.48x = 69,138,454,262.03
  5. Step 5: Solve for x
    x = 69,138,454,262.03/296,385.48
  6. Step 6: Final answer
    x = 233,272.07

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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.