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Finding the Fourth Proportional to 426,355.22, 588,334.88 and 242,544.90

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Solution

The fourth proportional to 426,355.22, 588,334.88 and 242,544.90 is: 334,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,355.22 : 588,334.88 = 242,544.90 : x
  2. Step 2: Convert to fraction form
    426,355.22/588,334.88 = 242,544.90/x
  3. Step 3: Cross multiply
    426,355.22x = 588,334.88 × 242,544.90
  4. Step 4: Simplify right side
    426,355.22x = 142,697,624,636.11
  5. Step 5: Solve for x
    x = 142,697,624,636.11/426,355.22
  6. Step 6: Final answer
    x = 334,691.87

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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.