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Finding the Fourth Proportional to 608,411.60, 910,867.80 and 372,215.60

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Solution

The fourth proportional to 608,411.60, 910,867.80 and 372,215.60 is: 557,253.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,411.60 : 910,867.80 = 372,215.60 : x
  2. Step 2: Convert to fraction form
    608,411.60/910,867.80 = 372,215.60/x
  3. Step 3: Cross multiply
    608,411.60x = 910,867.80 × 372,215.60
  4. Step 4: Simplify right side
    608,411.60x = 339,039,204,697.68
  5. Step 5: Solve for x
    x = 339,039,204,697.68/608,411.60
  6. Step 6: Final answer
    x = 557,253.03

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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.