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Finding the Fourth Proportional to 451,611.51, 623,232.47 and 247,650.30

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Solution

The fourth proportional to 451,611.51, 623,232.47 and 247,650.30 is: 341,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,611.51 : 623,232.47 = 247,650.30 : x
  2. Step 2: Convert to fraction form
    451,611.51/623,232.47 = 247,650.30/x
  3. Step 3: Cross multiply
    451,611.51x = 623,232.47 × 247,650.30
  4. Step 4: Simplify right side
    451,611.51x = 154,343,706,166.65
  5. Step 5: Solve for x
    x = 154,343,706,166.65/451,611.51
  6. Step 6: Final answer
    x = 341,762.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.