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Finding the Fourth Proportional to 404,695.63, 558,476.89 and 223,407.76

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Solution

The fourth proportional to 404,695.63, 558,476.89 and 223,407.76 is: 308,301.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,695.63 : 558,476.89 = 223,407.76 : x
  2. Step 2: Convert to fraction form
    404,695.63/558,476.89 = 223,407.76/x
  3. Step 3: Cross multiply
    404,695.63x = 558,476.89 × 223,407.76
  4. Step 4: Simplify right side
    404,695.63x = 124,768,071,006.67
  5. Step 5: Solve for x
    x = 124,768,071,006.67/404,695.63
  6. Step 6: Final answer
    x = 308,301.01

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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.