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Finding the Fourth Proportional to 603,746.17, 833,188.47 and 331,809.12

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Solution

The fourth proportional to 603,746.17, 833,188.47 and 331,809.12 is: 457,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,746.17 : 833,188.47 = 331,809.12 : x
  2. Step 2: Convert to fraction form
    603,746.17/833,188.47 = 331,809.12/x
  3. Step 3: Cross multiply
    603,746.17x = 833,188.47 × 331,809.12
  4. Step 4: Simplify right side
    603,746.17x = 276,459,531,365.80
  5. Step 5: Solve for x
    x = 276,459,531,365.80/603,746.17
  6. Step 6: Final answer
    x = 457,906.89

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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.