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Finding the Fourth Proportional to 363,368.40, 545,052.78 and 163,455.24

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Solution

The fourth proportional to 363,368.40, 545,052.78 and 163,455.24 is: 245,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,368.40 : 545,052.78 = 163,455.24 : x
  2. Step 2: Convert to fraction form
    363,368.40/545,052.78 = 163,455.24/x
  3. Step 3: Cross multiply
    363,368.40x = 545,052.78 × 163,455.24
  4. Step 4: Simplify right side
    363,368.40x = 89,091,732,967.57
  5. Step 5: Solve for x
    x = 89,091,732,967.57/363,368.40
  6. Step 6: Final answer
    x = 245,182.94

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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.