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Finding the Fourth Proportional to 368,352, 552,528.16 and 165,711.42

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Solution

The fourth proportional to 368,352, 552,528.16 and 165,711.42 is: 248,567.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,352 : 552,528.16 = 165,711.42 : x
  2. Step 2: Convert to fraction form
    368,352/552,528.16 = 165,711.42/x
  3. Step 3: Cross multiply
    368,352x = 552,528.16 × 165,711.42
  4. Step 4: Simplify right side
    368,352x = 91,560,225,983.59
  5. Step 5: Solve for x
    x = 91,560,225,983.59/368,352
  6. Step 6: Final answer
    x = 248,567.20

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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.