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Finding the Fourth Proportional to 562,130.60, 841,446.30 and 324,768.20

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Solution

The fourth proportional to 562,130.60, 841,446.30 and 324,768.20 is: 486,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,130.60 : 841,446.30 = 324,768.20 : x
  2. Step 2: Convert to fraction form
    562,130.60/841,446.30 = 324,768.20/x
  3. Step 3: Cross multiply
    562,130.60x = 841,446.30 × 324,768.20
  4. Step 4: Simplify right side
    562,130.60x = 273,275,000,247.66
  5. Step 5: Solve for x
    x = 273,275,000,247.66/562,130.60
  6. Step 6: Final answer
    x = 486,141.48

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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.