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Finding the Fourth Proportional to 404,709.57, 558,484.54 and 223,417.60

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Solution

The fourth proportional to 404,709.57, 558,484.54 and 223,417.60 is: 308,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,709.57 : 558,484.54 = 223,417.60 : x
  2. Step 2: Convert to fraction form
    404,709.57/558,484.54 = 223,417.60/x
  3. Step 3: Cross multiply
    404,709.57x = 558,484.54 × 223,417.60
  4. Step 4: Simplify right side
    404,709.57x = 124,775,273,609.15
  5. Step 5: Solve for x
    x = 124,775,273,609.15/404,709.57
  6. Step 6: Final answer
    x = 308,308.19

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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.