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Finding the Fourth Proportional to 544,472.40, 817,486.20 and 412,280.40

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Solution

The fourth proportional to 544,472.40, 817,486.20 and 412,280.40 is: 619,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,472.40 : 817,486.20 = 412,280.40 : x
  2. Step 2: Convert to fraction form
    544,472.40/817,486.20 = 412,280.40/x
  3. Step 3: Cross multiply
    544,472.40x = 817,486.20 × 412,280.40
  4. Step 4: Simplify right side
    544,472.40x = 337,033,537,530.48
  5. Step 5: Solve for x
    x = 337,033,537,530.48/544,472.40
  6. Step 6: Final answer
    x = 619,009.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.