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Finding the Fourth Proportional to 370,651.82, 556,592.80 and 231,296.18

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Solution

The fourth proportional to 370,651.82, 556,592.80 and 231,296.18 is: 347,328.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,651.82 : 556,592.80 = 231,296.18 : x
  2. Step 2: Convert to fraction form
    370,651.82/556,592.80 = 231,296.18/x
  3. Step 3: Cross multiply
    370,651.82x = 556,592.80 × 231,296.18
  4. Step 4: Simplify right side
    370,651.82x = 128,737,788,455.50
  5. Step 5: Solve for x
    x = 128,737,788,455.50/370,651.82
  6. Step 6: Final answer
    x = 347,328.09

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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.