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Finding the Fourth Proportional to 194,420.80, 272,926.40 and 194,420.80

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Solution

The fourth proportional to 194,420.80, 272,926.40 and 194,420.80 is: 272,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,420.80 : 272,926.40 = 194,420.80 : x
  2. Step 2: Convert to fraction form
    194,420.80/272,926.40 = 194,420.80/x
  3. Step 3: Cross multiply
    194,420.80x = 272,926.40 × 194,420.80
  4. Step 4: Simplify right side
    194,420.80x = 53,062,569,029.12
  5. Step 5: Solve for x
    x = 53,062,569,029.12/194,420.80
  6. Step 6: Final answer
    x = 272,926.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.