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Finding the Fourth Proportional to 603,774.19, 833,217 and 331,867.22

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Solution

The fourth proportional to 603,774.19, 833,217 and 331,867.22 is: 457,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,774.19 : 833,217 = 331,867.22 : x
  2. Step 2: Convert to fraction form
    603,774.19/833,217 = 331,867.22/x
  3. Step 3: Cross multiply
    603,774.19x = 833,217 × 331,867.22
  4. Step 4: Simplify right side
    603,774.19x = 276,517,409,446.74
  5. Step 5: Solve for x
    x = 276,517,409,446.74/603,774.19
  6. Step 6: Final answer
    x = 457,981.50

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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.