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Finding the Fourth Proportional to 570,111.70, 854,476.35 and 254,233.30

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Solution

The fourth proportional to 570,111.70, 854,476.35 and 254,233.30 is: 381,041.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,111.70 : 854,476.35 = 254,233.30 : x
  2. Step 2: Convert to fraction form
    570,111.70/854,476.35 = 254,233.30/x
  3. Step 3: Cross multiply
    570,111.70x = 854,476.35 × 254,233.30
  4. Step 4: Simplify right side
    570,111.70x = 217,236,342,232.46
  5. Step 5: Solve for x
    x = 217,236,342,232.46/570,111.70
  6. Step 6: Final answer
    x = 381,041.72

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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.