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Finding the Fourth Proportional to 275,348.20, 413,146.20 and 148,840.34

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Solution

The fourth proportional to 275,348.20, 413,146.20 and 148,840.34 is: 223,327.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,348.20 : 413,146.20 = 148,840.34 : x
  2. Step 2: Convert to fraction form
    275,348.20/413,146.20 = 148,840.34/x
  3. Step 3: Cross multiply
    275,348.20x = 413,146.20 × 148,840.34
  4. Step 4: Simplify right side
    275,348.20x = 61,492,820,877.71
  5. Step 5: Solve for x
    x = 61,492,820,877.71/275,348.20
  6. Step 6: Final answer
    x = 223,327.48

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1.5x scale

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.