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Finding the Fourth Proportional to 374,387.52, 561,084.48 and 163,796.16

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Solution

The fourth proportional to 374,387.52, 561,084.48 and 163,796.16 is: 245,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,387.52 : 561,084.48 = 163,796.16 : x
  2. Step 2: Convert to fraction form
    374,387.52/561,084.48 = 163,796.16/x
  3. Step 3: Cross multiply
    374,387.52x = 561,084.48 × 163,796.16
  4. Step 4: Simplify right side
    374,387.52x = 91,903,483,259.60
  5. Step 5: Solve for x
    x = 91,903,483,259.60/374,387.52
  6. Step 6: Final answer
    x = 245,476.89

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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.