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Finding the Fourth Proportional to 438,041.68, 604,497.44 and 247,055.28

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Solution

The fourth proportional to 438,041.68, 604,497.44 and 247,055.28 is: 340,936.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,041.68 : 604,497.44 = 247,055.28 : x
  2. Step 2: Convert to fraction form
    438,041.68/604,497.44 = 247,055.28/x
  3. Step 3: Cross multiply
    438,041.68x = 604,497.44 × 247,055.28
  4. Step 4: Simplify right side
    438,041.68x = 149,344,284,298.48
  5. Step 5: Solve for x
    x = 149,344,284,298.48/438,041.68
  6. Step 6: Final answer
    x = 340,936.24

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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.