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Finding the Fourth Proportional to 377,561.70, 566,342.55 and 209,600.10

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Solution

The fourth proportional to 377,561.70, 566,342.55 and 209,600.10 is: 314,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,561.70 : 566,342.55 = 209,600.10 : x
  2. Step 2: Convert to fraction form
    377,561.70/566,342.55 = 209,600.10/x
  3. Step 3: Cross multiply
    377,561.70x = 566,342.55 × 209,600.10
  4. Step 4: Simplify right side
    377,561.70x = 118,705,455,114.26
  5. Step 5: Solve for x
    x = 118,705,455,114.26/377,561.70
  6. Step 6: Final answer
    x = 314,400.15

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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.