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Finding the Fourth Proportional to 374,479.52, 561,222.48 and 163,888.16

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Solution

The fourth proportional to 374,479.52, 561,222.48 and 163,888.16 is: 245,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,479.52 : 561,222.48 = 163,888.16 : x
  2. Step 2: Convert to fraction form
    374,479.52/561,222.48 = 163,888.16/x
  3. Step 3: Cross multiply
    374,479.52x = 561,222.48 × 163,888.16
  4. Step 4: Simplify right side
    374,479.52x = 91,977,719,597.84
  5. Step 5: Solve for x
    x = 91,977,719,597.84/374,479.52
  6. Step 6: Final answer
    x = 245,614.82

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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.