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Finding the Fourth Proportional to 377,381.13, 566,071.71 and 258,692.64

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Solution

The fourth proportional to 377,381.13, 566,071.71 and 258,692.64 is: 388,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,381.13 : 566,071.71 = 258,692.64 : x
  2. Step 2: Convert to fraction form
    377,381.13/566,071.71 = 258,692.64/x
  3. Step 3: Cross multiply
    377,381.13x = 566,071.71 × 258,692.64
  4. Step 4: Simplify right side
    377,381.13x = 146,438,585,089.21
  5. Step 5: Solve for x
    x = 146,438,585,089.21/377,381.13
  6. Step 6: Final answer
    x = 388,038.97

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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.