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Finding the Fourth Proportional to 608,869.60, 913,563.60 and 384,402.40

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Solution

The fourth proportional to 608,869.60, 913,563.60 and 384,402.40 is: 576,767.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,869.60 : 913,563.60 = 384,402.40 : x
  2. Step 2: Convert to fraction form
    608,869.60/913,563.60 = 384,402.40/x
  3. Step 3: Cross multiply
    608,869.60x = 913,563.60 × 384,402.40
  4. Step 4: Simplify right side
    608,869.60x = 351,176,040,392.64
  5. Step 5: Solve for x
    x = 351,176,040,392.64/608,869.60
  6. Step 6: Final answer
    x = 576,767.24

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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.