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Finding the Fourth Proportional to 533,967.42, 736,872.38 and 288,952

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Solution

The fourth proportional to 533,967.42, 736,872.38 and 288,952 is: 398,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,967.42 : 736,872.38 = 288,952 : x
  2. Step 2: Convert to fraction form
    533,967.42/736,872.38 = 288,952/x
  3. Step 3: Cross multiply
    533,967.42x = 736,872.38 × 288,952
  4. Step 4: Simplify right side
    533,967.42x = 212,920,747,945.76
  5. Step 5: Solve for x
    x = 212,920,747,945.76/533,967.42
  6. Step 6: Final answer
    x = 398,752.32

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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.