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Finding the Fourth Proportional to 291,526.91, 402,169.67 and 170,594.01

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Solution

The fourth proportional to 291,526.91, 402,169.67 and 170,594.01 is: 235,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,526.91 : 402,169.67 = 170,594.01 : x
  2. Step 2: Convert to fraction form
    291,526.91/402,169.67 = 170,594.01/x
  3. Step 3: Cross multiply
    291,526.91x = 402,169.67 × 170,594.01
  4. Step 4: Simplify right side
    291,526.91x = 68,607,736,705.68
  5. Step 5: Solve for x
    x = 68,607,736,705.68/291,526.91
  6. Step 6: Final answer
    x = 235,339.30

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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.