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Finding the Fourth Proportional to 440,264.15, 608,787.52 and 349,462.47

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Solution

The fourth proportional to 440,264.15, 608,787.52 and 349,462.47 is: 483,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,264.15 : 608,787.52 = 349,462.47 : x
  2. Step 2: Convert to fraction form
    440,264.15/608,787.52 = 349,462.47/x
  3. Step 3: Cross multiply
    440,264.15x = 608,787.52 × 349,462.47
  4. Step 4: Simplify right side
    440,264.15x = 212,748,390,444.37
  5. Step 5: Solve for x
    x = 212,748,390,444.37/440,264.15
  6. Step 6: Final answer
    x = 483,228.97

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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.