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Finding the Fourth Proportional to 533,966.92, 736,871.69 and 288,951.50

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Solution

The fourth proportional to 533,966.92, 736,871.69 and 288,951.50 is: 398,751.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,966.92 : 736,871.69 = 288,951.50 : x
  2. Step 2: Convert to fraction form
    533,966.92/736,871.69 = 288,951.50/x
  3. Step 3: Cross multiply
    533,966.92x = 736,871.69 × 288,951.50
  4. Step 4: Simplify right side
    533,966.92x = 212,920,180,133.04
  5. Step 5: Solve for x
    x = 212,920,180,133.04/533,966.92
  6. Step 6: Final answer
    x = 398,751.63

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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.