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Finding the Fourth Proportional to 404,655.76, 558,634.68 and 295,637.68

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Solution

The fourth proportional to 404,655.76, 558,634.68 and 295,637.68 is: 408,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,655.76 : 558,634.68 = 295,637.68 : x
  2. Step 2: Convert to fraction form
    404,655.76/558,634.68 = 295,637.68/x
  3. Step 3: Cross multiply
    404,655.76x = 558,634.68 × 295,637.68
  4. Step 4: Simplify right side
    404,655.76x = 165,153,460,762.74
  5. Step 5: Solve for x
    x = 165,153,460,762.74/404,655.76
  6. Step 6: Final answer
    x = 408,133.23

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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.