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Finding the Fourth Proportional to 314,640.20, 471,960.30 and 93,024.20

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Solution

The fourth proportional to 314,640.20, 471,960.30 and 93,024.20 is: 139,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,640.20 : 471,960.30 = 93,024.20 : x
  2. Step 2: Convert to fraction form
    314,640.20/471,960.30 = 93,024.20/x
  3. Step 3: Cross multiply
    314,640.20x = 471,960.30 × 93,024.20
  4. Step 4: Simplify right side
    314,640.20x = 43,903,729,339.26
  5. Step 5: Solve for x
    x = 43,903,729,339.26/314,640.20
  6. Step 6: Final answer
    x = 139,536.30

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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.