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Finding the Fourth Proportional to 291,528.59, 402,171.99 and 170,595.71

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Solution

The fourth proportional to 291,528.59, 402,171.99 and 170,595.71 is: 235,341.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,528.59 : 402,171.99 = 170,595.71 : x
  2. Step 2: Convert to fraction form
    291,528.59/402,171.99 = 170,595.71/x
  3. Step 3: Cross multiply
    291,528.59x = 402,171.99 × 170,595.71
  4. Step 4: Simplify right side
    291,528.59x = 68,608,814,165.30
  5. Step 5: Solve for x
    x = 68,608,814,165.30/291,528.59
  6. Step 6: Final answer
    x = 235,341.63

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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.