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Finding the Fourth Proportional to 349,853.60, 524,175.60 and 162,480.80

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Solution

The fourth proportional to 349,853.60, 524,175.60 and 162,480.80 is: 243,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,853.60 : 524,175.60 = 162,480.80 : x
  2. Step 2: Convert to fraction form
    349,853.60/524,175.60 = 162,480.80/x
  3. Step 3: Cross multiply
    349,853.60x = 524,175.60 × 162,480.80
  4. Step 4: Simplify right side
    349,853.60x = 85,168,470,828.48
  5. Step 5: Solve for x
    x = 85,168,470,828.48/349,853.60
  6. Step 6: Final answer
    x = 243,440.32

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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.