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Finding the Fourth Proportional to 291,659.83, 402,488.16 and 162,596.76

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Solution

The fourth proportional to 291,659.83, 402,488.16 and 162,596.76 is: 224,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,659.83 : 402,488.16 = 162,596.76 : x
  2. Step 2: Convert to fraction form
    291,659.83/402,488.16 = 162,596.76/x
  3. Step 3: Cross multiply
    291,659.83x = 402,488.16 × 162,596.76
  4. Step 4: Simplify right side
    291,659.83x = 65,443,268,635.29
  5. Step 5: Solve for x
    x = 65,443,268,635.29/291,659.83
  6. Step 6: Final answer
    x = 224,382.18

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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.