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Finding the Fourth Proportional to 405,167.08, 607,751.90 and 124,682.60

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Solution

The fourth proportional to 405,167.08, 607,751.90 and 124,682.60 is: 187,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,167.08 : 607,751.90 = 124,682.60 : x
  2. Step 2: Convert to fraction form
    405,167.08/607,751.90 = 124,682.60/x
  3. Step 3: Cross multiply
    405,167.08x = 607,751.90 × 124,682.60
  4. Step 4: Simplify right side
    405,167.08x = 75,776,087,046.94
  5. Step 5: Solve for x
    x = 75,776,087,046.94/405,167.08
  6. Step 6: Final answer
    x = 187,024.29

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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.