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Finding the Fourth Proportional to 404,906.60, 558,775.32 and 223,623.12

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Solution

The fourth proportional to 404,906.60, 558,775.32 and 223,623.12 is: 308,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,906.60 : 558,775.32 = 223,623.12 : x
  2. Step 2: Convert to fraction form
    404,906.60/558,775.32 = 223,623.12/x
  3. Step 3: Cross multiply
    404,906.60x = 558,775.32 × 223,623.12
  4. Step 4: Simplify right side
    404,906.60x = 124,955,080,437.40
  5. Step 5: Solve for x
    x = 124,955,080,437.40/404,906.60
  6. Step 6: Final answer
    x = 308,602.23

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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.