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Finding the Fourth Proportional to 582,720.20, 804,153.66 and 341,048.78

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Solution

The fourth proportional to 582,720.20, 804,153.66 and 341,048.78 is: 470,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,720.20 : 804,153.66 = 341,048.78 : x
  2. Step 2: Convert to fraction form
    582,720.20/804,153.66 = 341,048.78/x
  3. Step 3: Cross multiply
    582,720.20x = 804,153.66 × 341,048.78
  4. Step 4: Simplify right side
    582,720.20x = 274,255,624,675.54
  5. Step 5: Solve for x
    x = 274,255,624,675.54/582,720.20
  6. Step 6: Final answer
    x = 470,647.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.