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Finding the Fourth Proportional to 477,034.66, 715,548.34 and 122,048.11

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Solution

The fourth proportional to 477,034.66, 715,548.34 and 122,048.11 is: 183,071.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,034.66 : 715,548.34 = 122,048.11 : x
  2. Step 2: Convert to fraction form
    477,034.66/715,548.34 = 122,048.11/x
  3. Step 3: Cross multiply
    477,034.66x = 715,548.34 × 122,048.11
  4. Step 4: Simplify right side
    477,034.66x = 87,331,322,510.64
  5. Step 5: Solve for x
    x = 87,331,322,510.64/477,034.66
  6. Step 6: Final answer
    x = 183,071.23

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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.