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Finding the Fourth Proportional to 533,544.80, 736,390.32 and 342,796.64

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Solution

The fourth proportional to 533,544.80, 736,390.32 and 342,796.64 is: 473,122.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,544.80 : 736,390.32 = 342,796.64 : x
  2. Step 2: Convert to fraction form
    533,544.80/736,390.32 = 342,796.64/x
  3. Step 3: Cross multiply
    533,544.80x = 736,390.32 × 342,796.64
  4. Step 4: Simplify right side
    533,544.80x = 252,432,127,424.53
  5. Step 5: Solve for x
    x = 252,432,127,424.53/533,544.80
  6. Step 6: Final answer
    x = 473,122.65

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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.