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Finding the Fourth Proportional to 684,409.77, 944,337.10 and 382,593.45

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Solution

The fourth proportional to 684,409.77, 944,337.10 and 382,593.45 is: 527,896.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,409.77 : 944,337.10 = 382,593.45 : x
  2. Step 2: Convert to fraction form
    684,409.77/944,337.10 = 382,593.45/x
  3. Step 3: Cross multiply
    684,409.77x = 944,337.10 × 382,593.45
  4. Step 4: Simplify right side
    684,409.77x = 361,297,189,052.00
  5. Step 5: Solve for x
    x = 361,297,189,052.00/684,409.77
  6. Step 6: Final answer
    x = 527,896.01

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Double scale
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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.