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Finding the Fourth Proportional to 404,392.52, 557,962.02 and 247,188.76

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Solution

The fourth proportional to 404,392.52, 557,962.02 and 247,188.76 is: 341,059.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,392.52 : 557,962.02 = 247,188.76 : x
  2. Step 2: Convert to fraction form
    404,392.52/557,962.02 = 247,188.76/x
  3. Step 3: Cross multiply
    404,392.52x = 557,962.02 × 247,188.76
  4. Step 4: Simplify right side
    404,392.52x = 137,921,938,455.99
  5. Step 5: Solve for x
    x = 137,921,938,455.99/404,392.52
  6. Step 6: Final answer
    x = 341,059.57

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1.5x scale

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.