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Finding the Fourth Proportional to 608,440.60, 910,911.30 and 372,244.60

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Solution

The fourth proportional to 608,440.60, 910,911.30 and 372,244.60 is: 557,296.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,440.60 : 910,911.30 = 372,244.60 : x
  2. Step 2: Convert to fraction form
    608,440.60/910,911.30 = 372,244.60/x
  3. Step 3: Cross multiply
    608,440.60x = 910,911.30 × 372,244.60
  4. Step 4: Simplify right side
    608,440.60x = 339,081,812,503.98
  5. Step 5: Solve for x
    x = 339,081,812,503.98/608,440.60
  6. Step 6: Final answer
    x = 557,296.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.