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Finding the Fourth Proportional to 404,482.38, 558,219.78 and 234,705.57

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Solution

The fourth proportional to 404,482.38, 558,219.78 and 234,705.57 is: 323,913.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,482.38 : 558,219.78 = 234,705.57 : x
  2. Step 2: Convert to fraction form
    404,482.38/558,219.78 = 234,705.57/x
  3. Step 3: Cross multiply
    404,482.38x = 558,219.78 × 234,705.57
  4. Step 4: Simplify right side
    404,482.38x = 131,017,291,650.18
  5. Step 5: Solve for x
    x = 131,017,291,650.18/404,482.38
  6. Step 6: Final answer
    x = 323,913.47

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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.