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Finding the Fourth Proportional to 577,600.14, 866,515.70 and 178,225.89

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Solution

The fourth proportional to 577,600.14, 866,515.70 and 178,225.89 is: 267,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,600.14 : 866,515.70 = 178,225.89 : x
  2. Step 2: Convert to fraction form
    577,600.14/866,515.70 = 178,225.89/x
  3. Step 3: Cross multiply
    577,600.14x = 866,515.70 × 178,225.89
  4. Step 4: Simplify right side
    577,600.14x = 154,435,532,277.04
  5. Step 5: Solve for x
    x = 154,435,532,277.04/577,600.14
  6. Step 6: Final answer
    x = 267,374.47

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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.