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Finding the Fourth Proportional to 368,479.35, 552,657.20 and 102,266.91

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Solution

The fourth proportional to 368,479.35, 552,657.20 and 102,266.91 is: 153,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,479.35 : 552,657.20 = 102,266.91 : x
  2. Step 2: Convert to fraction form
    368,479.35/552,657.20 = 102,266.91/x
  3. Step 3: Cross multiply
    368,479.35x = 552,657.20 × 102,266.91
  4. Step 4: Simplify right side
    368,479.35x = 56,518,543,621.92
  5. Step 5: Solve for x
    x = 56,518,543,621.92/368,479.35
  6. Step 6: Final answer
    x = 153,383.20

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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.