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Finding the Fourth Proportional to 404,536.68, 558,235.40 and 223,248.35

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Solution

The fourth proportional to 404,536.68, 558,235.40 and 223,248.35 is: 308,068.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,536.68 : 558,235.40 = 223,248.35 : x
  2. Step 2: Convert to fraction form
    404,536.68/558,235.40 = 223,248.35/x
  3. Step 3: Cross multiply
    404,536.68x = 558,235.40 × 223,248.35
  4. Step 4: Simplify right side
    404,536.68x = 124,625,132,240.94
  5. Step 5: Solve for x
    x = 124,625,132,240.94/404,536.68
  6. Step 6: Final answer
    x = 308,068.81

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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.