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Finding the Fourth Proportional to 194,804.70, 292,207.05 and 192,180.30

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Solution

The fourth proportional to 194,804.70, 292,207.05 and 192,180.30 is: 288,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,804.70 : 292,207.05 = 192,180.30 : x
  2. Step 2: Convert to fraction form
    194,804.70/292,207.05 = 192,180.30/x
  3. Step 3: Cross multiply
    194,804.70x = 292,207.05 × 192,180.30
  4. Step 4: Simplify right side
    194,804.70x = 56,156,438,531.12
  5. Step 5: Solve for x
    x = 56,156,438,531.12/194,804.70
  6. Step 6: Final answer
    x = 288,270.45

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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.