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Finding the Fourth Proportional to 404,573.16, 558,307.08 and 223,286.88

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Solution

The fourth proportional to 404,573.16, 558,307.08 and 223,286.88 is: 308,133.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,573.16 : 558,307.08 = 223,286.88 : x
  2. Step 2: Convert to fraction form
    404,573.16/558,307.08 = 223,286.88/x
  3. Step 3: Cross multiply
    404,573.16x = 558,307.08 × 223,286.88
  4. Step 4: Simplify right side
    404,573.16x = 124,662,645,975.11
  5. Step 5: Solve for x
    x = 124,662,645,975.11/404,573.16
  6. Step 6: Final answer
    x = 308,133.75

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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.