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Finding the Fourth Proportional to 477,245.16, 715,851.18 and 122,262.12

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Solution

The fourth proportional to 477,245.16, 715,851.18 and 122,262.12 is: 183,388.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,245.16 : 715,851.18 = 122,262.12 : x
  2. Step 2: Convert to fraction form
    477,245.16/715,851.18 = 122,262.12/x
  3. Step 3: Cross multiply
    477,245.16x = 715,851.18 × 122,262.12
  4. Step 4: Simplify right side
    477,245.16x = 87,521,482,871.30
  5. Step 5: Solve for x
    x = 87,521,482,871.30/477,245.16
  6. Step 6: Final answer
    x = 183,388.94

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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.