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Finding the Fourth Proportional to 404,598.92, 558,345.98 and 223,311.20

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Solution

The fourth proportional to 404,598.92, 558,345.98 and 223,311.20 is: 308,169.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,598.92 : 558,345.98 = 223,311.20 : x
  2. Step 2: Convert to fraction form
    404,598.92/558,345.98 = 223,311.20/x
  3. Step 3: Cross multiply
    404,598.92x = 558,345.98 × 223,311.20
  4. Step 4: Simplify right side
    404,598.92x = 124,684,910,808.98
  5. Step 5: Solve for x
    x = 124,684,910,808.98/404,598.92
  6. Step 6: Final answer
    x = 308,169.16

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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.