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Finding the Fourth Proportional to 562,955.12, 844,432.44 and 142,230.88

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Solution

The fourth proportional to 562,955.12, 844,432.44 and 142,230.88 is: 213,346.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,955.12 : 844,432.44 = 142,230.88 : x
  2. Step 2: Convert to fraction form
    562,955.12/844,432.44 = 142,230.88/x
  3. Step 3: Cross multiply
    562,955.12x = 844,432.44 × 142,230.88
  4. Step 4: Simplify right side
    562,955.12x = 120,104,369,041.75
  5. Step 5: Solve for x
    x = 120,104,369,041.75/562,955.12
  6. Step 6: Final answer
    x = 213,346.26

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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.