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Finding the Fourth Proportional to 295,479.10, 410,513.96 and 291,936.16

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Solution

The fourth proportional to 295,479.10, 410,513.96 and 291,936.16 is: 405,591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,479.10 : 410,513.96 = 291,936.16 : x
  2. Step 2: Convert to fraction form
    295,479.10/410,513.96 = 291,936.16/x
  3. Step 3: Cross multiply
    295,479.10x = 410,513.96 × 291,936.16
  4. Step 4: Simplify right side
    295,479.10x = 119,843,868,150.98
  5. Step 5: Solve for x
    x = 119,843,868,150.98/295,479.10
  6. Step 6: Final answer
    x = 405,591.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.