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Finding the Fourth Proportional to 357,622.40, 536,498.40 and 179,681.60

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Solution

The fourth proportional to 357,622.40, 536,498.40 and 179,681.60 is: 269,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,622.40 : 536,498.40 = 179,681.60 : x
  2. Step 2: Convert to fraction form
    357,622.40/536,498.40 = 179,681.60/x
  3. Step 3: Cross multiply
    357,622.40x = 536,498.40 × 179,681.60
  4. Step 4: Simplify right side
    357,622.40x = 96,398,890,909.44
  5. Step 5: Solve for x
    x = 96,398,890,909.44/357,622.40
  6. Step 6: Final answer
    x = 269,554.96

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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.