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Finding the Fourth Proportional to 341,780.40, 512,670.60 and 92,462.40

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Solution

The fourth proportional to 341,780.40, 512,670.60 and 92,462.40 is: 138,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,780.40 : 512,670.60 = 92,462.40 : x
  2. Step 2: Convert to fraction form
    341,780.40/512,670.60 = 92,462.40/x
  3. Step 3: Cross multiply
    341,780.40x = 512,670.60 × 92,462.40
  4. Step 4: Simplify right side
    341,780.40x = 47,402,754,085.44
  5. Step 5: Solve for x
    x = 47,402,754,085.44/341,780.40
  6. Step 6: Final answer
    x = 138,693.60

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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.