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Finding the Fourth Proportional to 377,967.60, 566,951.40 and 189,010.80

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Solution

The fourth proportional to 377,967.60, 566,951.40 and 189,010.80 is: 283,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,967.60 : 566,951.40 = 189,010.80 : x
  2. Step 2: Convert to fraction form
    377,967.60/566,951.40 = 189,010.80/x
  3. Step 3: Cross multiply
    377,967.60x = 566,951.40 × 189,010.80
  4. Step 4: Simplify right side
    377,967.60x = 107,159,937,675.12
  5. Step 5: Solve for x
    x = 107,159,937,675.12/377,967.60
  6. Step 6: Final answer
    x = 283,516.20

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1.5x scale

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.