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Finding the Fourth Proportional to 270,176.20, 405,264.62 and 70,496.44

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Solution

The fourth proportional to 270,176.20, 405,264.62 and 70,496.44 is: 105,744.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,176.20 : 405,264.62 = 70,496.44 : x
  2. Step 2: Convert to fraction form
    270,176.20/405,264.62 = 70,496.44/x
  3. Step 3: Cross multiply
    270,176.20x = 405,264.62 × 70,496.44
  4. Step 4: Simplify right side
    270,176.20x = 28,569,712,967.95
  5. Step 5: Solve for x
    x = 28,569,712,967.95/270,176.20
  6. Step 6: Final answer
    x = 105,744.74

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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.