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Finding the Fourth Proportional to 315,548.60, 435,459.44 and 179,592.90

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Solution

The fourth proportional to 315,548.60, 435,459.44 and 179,592.90 is: 247,839.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,548.60 : 435,459.44 = 179,592.90 : x
  2. Step 2: Convert to fraction form
    315,548.60/435,459.44 = 179,592.90/x
  3. Step 3: Cross multiply
    315,548.60x = 435,459.44 × 179,592.90
  4. Step 4: Simplify right side
    315,548.60x = 78,205,423,661.98
  5. Step 5: Solve for x
    x = 78,205,423,661.98/315,548.60
  6. Step 6: Final answer
    x = 247,839.55

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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.