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Finding the Fourth Proportional to 496,927.36, 744,807.84 and 260,381.44

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Solution

The fourth proportional to 496,927.36, 744,807.84 and 260,381.44 is: 390,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,927.36 : 744,807.84 = 260,381.44 : x
  2. Step 2: Convert to fraction form
    496,927.36/744,807.84 = 260,381.44/x
  3. Step 3: Cross multiply
    496,927.36x = 744,807.84 × 260,381.44
  4. Step 4: Simplify right side
    496,927.36x = 193,934,137,902.49
  5. Step 5: Solve for x
    x = 193,934,137,902.49/496,927.36
  6. Step 6: Final answer
    x = 390,266.57

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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.