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Finding the Fourth Proportional to 562,415.20, 843,622.80 and 183,335.20

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Solution

The fourth proportional to 562,415.20, 843,622.80 and 183,335.20 is: 275,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,415.20 : 843,622.80 = 183,335.20 : x
  2. Step 2: Convert to fraction form
    562,415.20/843,622.80 = 183,335.20/x
  3. Step 3: Cross multiply
    562,415.20x = 843,622.80 × 183,335.20
  4. Step 4: Simplify right side
    562,415.20x = 154,665,754,762.56
  5. Step 5: Solve for x
    x = 154,665,754,762.56/562,415.20
  6. Step 6: Final answer
    x = 275,002.80

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Similar ratio
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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.