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Finding the Fourth Proportional to 377,984.40, 566,771.80 and 156,390.80

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Solution

The fourth proportional to 377,984.40, 566,771.80 and 156,390.80 is: 234,501.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,984.40 : 566,771.80 = 156,390.80 : x
  2. Step 2: Convert to fraction form
    377,984.40/566,771.80 = 156,390.80/x
  3. Step 3: Cross multiply
    377,984.40x = 566,771.80 × 156,390.80
  4. Step 4: Simplify right side
    377,984.40x = 88,637,895,219.44
  5. Step 5: Solve for x
    x = 88,637,895,219.44/377,984.40
  6. Step 6: Final answer
    x = 234,501.46

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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.