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Finding the Fourth Proportional to 292,002.44, 438,000.89 and 92,322.86

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Solution

The fourth proportional to 292,002.44, 438,000.89 and 92,322.86 is: 138,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,002.44 : 438,000.89 = 92,322.86 : x
  2. Step 2: Convert to fraction form
    292,002.44/438,000.89 = 92,322.86/x
  3. Step 3: Cross multiply
    292,002.44x = 438,000.89 × 92,322.86
  4. Step 4: Simplify right side
    292,002.44x = 40,437,492,195.73
  5. Step 5: Solve for x
    x = 40,437,492,195.73/292,002.44
  6. Step 6: Final answer
    x = 138,483.41

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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.