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Finding the Fourth Proportional to 377,568.70, 566,353.05 and 209,607.10

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Solution

The fourth proportional to 377,568.70, 566,353.05 and 209,607.10 is: 314,410.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,568.70 : 566,353.05 = 209,607.10 : x
  2. Step 2: Convert to fraction form
    377,568.70/566,353.05 = 209,607.10/x
  3. Step 3: Cross multiply
    377,568.70x = 566,353.05 × 209,607.10
  4. Step 4: Simplify right side
    377,568.70x = 118,711,620,386.66
  5. Step 5: Solve for x
    x = 118,711,620,386.66/377,568.70
  6. Step 6: Final answer
    x = 314,410.65

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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.