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Finding the Fourth Proportional to 435,272.40, 652,908.60 and 248,302.80

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Solution

The fourth proportional to 435,272.40, 652,908.60 and 248,302.80 is: 372,454.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,272.40 : 652,908.60 = 248,302.80 : x
  2. Step 2: Convert to fraction form
    435,272.40/652,908.60 = 248,302.80/x
  3. Step 3: Cross multiply
    435,272.40x = 652,908.60 × 248,302.80
  4. Step 4: Simplify right side
    435,272.40x = 162,119,033,524.08
  5. Step 5: Solve for x
    x = 162,119,033,524.08/435,272.40
  6. Step 6: Final answer
    x = 372,454.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.