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Finding the Fourth Proportional to 377,354.77, 566,130.57 and 140,699.50

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Solution

The fourth proportional to 377,354.77, 566,130.57 and 140,699.50 is: 211,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,354.77 : 566,130.57 = 140,699.50 : x
  2. Step 2: Convert to fraction form
    377,354.77/566,130.57 = 140,699.50/x
  3. Step 3: Cross multiply
    377,354.77x = 566,130.57 × 140,699.50
  4. Step 4: Simplify right side
    377,354.77x = 79,654,288,133.72
  5. Step 5: Solve for x
    x = 79,654,288,133.72/377,354.77
  6. Step 6: Final answer
    x = 211,085.94

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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.