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Finding the Fourth Proportional to 477,322.02, 715,945.56 and 277,515

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Solution

The fourth proportional to 477,322.02, 715,945.56 and 277,515 is: 416,250.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,322.02 : 715,945.56 = 277,515 : x
  2. Step 2: Convert to fraction form
    477,322.02/715,945.56 = 277,515/x
  3. Step 3: Cross multiply
    477,322.02x = 715,945.56 × 277,515
  4. Step 4: Simplify right side
    477,322.02x = 198,685,632,083.40
  5. Step 5: Solve for x
    x = 198,685,632,083.40/477,322.02
  6. Step 6: Final answer
    x = 416,250.71

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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.