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Finding the Fourth Proportional to 377,553.70, 566,330.55 and 209,592.10

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Solution

The fourth proportional to 377,553.70, 566,330.55 and 209,592.10 is: 314,388.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,553.70 : 566,330.55 = 209,592.10 : x
  2. Step 2: Convert to fraction form
    377,553.70/566,330.55 = 209,592.10/x
  3. Step 3: Cross multiply
    377,553.70x = 566,330.55 × 209,592.10
  4. Step 4: Simplify right side
    377,553.70x = 118,698,409,268.66
  5. Step 5: Solve for x
    x = 118,698,409,268.66/377,553.70
  6. Step 6: Final answer
    x = 314,388.15

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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.