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Finding the Fourth Proportional to 377,141.70, 565,712.55 and 335,807.40

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Solution

The fourth proportional to 377,141.70, 565,712.55 and 335,807.40 is: 503,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,141.70 : 565,712.55 = 335,807.40 : x
  2. Step 2: Convert to fraction form
    377,141.70/565,712.55 = 335,807.40/x
  3. Step 3: Cross multiply
    377,141.70x = 565,712.55 × 335,807.40
  4. Step 4: Simplify right side
    377,141.70x = 189,970,460,562.87
  5. Step 5: Solve for x
    x = 189,970,460,562.87/377,141.70
  6. Step 6: Final answer
    x = 503,711.10

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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.