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Finding the Fourth Proportional to 404,910.48, 558,779.40 and 223,617.36

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Solution

The fourth proportional to 404,910.48, 558,779.40 and 223,617.36 is: 308,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,910.48 : 558,779.40 = 223,617.36 : x
  2. Step 2: Convert to fraction form
    404,910.48/558,779.40 = 223,617.36/x
  3. Step 3: Cross multiply
    404,910.48x = 558,779.40 × 223,617.36
  4. Step 4: Simplify right side
    404,910.48x = 124,952,774,250.38
  5. Step 5: Solve for x
    x = 124,952,774,250.38/404,910.48
  6. Step 6: Final answer
    x = 308,593.58

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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.