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Finding the Fourth Proportional to 477,812.01, 716,702.07 and 140,858.22

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Solution

The fourth proportional to 477,812.01, 716,702.07 and 140,858.22 is: 211,282.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,812.01 : 716,702.07 = 140,858.22 : x
  2. Step 2: Convert to fraction form
    477,812.01/716,702.07 = 140,858.22/x
  3. Step 3: Cross multiply
    477,812.01x = 716,702.07 × 140,858.22
  4. Step 4: Simplify right side
    477,812.01x = 100,953,377,850.52
  5. Step 5: Solve for x
    x = 100,953,377,850.52/477,812.01
  6. Step 6: Final answer
    x = 211,282.63

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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.