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Finding the Fourth Proportional to 291,862.91, 402,780.83 and 169,346.03

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Solution

The fourth proportional to 291,862.91, 402,780.83 and 169,346.03 is: 233,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,862.91 : 402,780.83 = 169,346.03 : x
  2. Step 2: Convert to fraction form
    291,862.91/402,780.83 = 169,346.03/x
  3. Step 3: Cross multiply
    291,862.91x = 402,780.83 × 169,346.03
  4. Step 4: Simplify right side
    291,862.91x = 68,209,335,950.92
  5. Step 5: Solve for x
    x = 68,209,335,950.92/291,862.91
  6. Step 6: Final answer
    x = 233,703.33

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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.