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Finding the Fourth Proportional to 544,513.70, 816,661.20 and 260,203.70

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Solution

The fourth proportional to 544,513.70, 816,661.20 and 260,203.70 is: 390,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,513.70 : 816,661.20 = 260,203.70 : x
  2. Step 2: Convert to fraction form
    544,513.70/816,661.20 = 260,203.70/x
  3. Step 3: Cross multiply
    544,513.70x = 816,661.20 × 260,203.70
  4. Step 4: Simplify right side
    544,513.70x = 212,498,265,886.44
  5. Step 5: Solve for x
    x = 212,498,265,886.44/544,513.70
  6. Step 6: Final answer
    x = 390,253.30

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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.