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Finding the Fourth Proportional to 477,083.89, 715,660.58 and 177,564.39

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Solution

The fourth proportional to 477,083.89, 715,660.58 and 177,564.39 is: 266,359.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,083.89 : 715,660.58 = 177,564.39 : x
  2. Step 2: Convert to fraction form
    477,083.89/715,660.58 = 177,564.39/x
  3. Step 3: Cross multiply
    477,083.89x = 715,660.58 × 177,564.39
  4. Step 4: Simplify right side
    477,083.89x = 127,075,832,094.93
  5. Step 5: Solve for x
    x = 127,075,832,094.93/477,083.89
  6. Step 6: Final answer
    x = 266,359.51

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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.