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Finding the Fourth Proportional to 608,391.60, 910,837.80 and 372,195.60

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Solution

The fourth proportional to 608,391.60, 910,837.80 and 372,195.60 is: 557,223.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,391.60 : 910,837.80 = 372,195.60 : x
  2. Step 2: Convert to fraction form
    608,391.60/910,837.80 = 372,195.60/x
  3. Step 3: Cross multiply
    608,391.60x = 910,837.80 × 372,195.60
  4. Step 4: Simplify right side
    608,391.60x = 339,009,821,473.68
  5. Step 5: Solve for x
    x = 339,009,821,473.68/608,391.60
  6. Step 6: Final answer
    x = 557,223.05

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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.