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Finding the Fourth Proportional to 404,953.62, 558,840.20 and 223,670.13

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Solution

The fourth proportional to 404,953.62, 558,840.20 and 223,670.13 is: 308,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,953.62 : 558,840.20 = 223,670.13 : x
  2. Step 2: Convert to fraction form
    404,953.62/558,840.20 = 223,670.13/x
  3. Step 3: Cross multiply
    404,953.62x = 558,840.20 × 223,670.13
  4. Step 4: Simplify right side
    404,953.62x = 124,995,859,064.88
  5. Step 5: Solve for x
    x = 124,995,859,064.88/404,953.62
  6. Step 6: Final answer
    x = 308,667.10

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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.