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Finding the Fourth Proportional to 552,239.36, 828,360.12 and 152,881.28

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Solution

The fourth proportional to 552,239.36, 828,360.12 and 152,881.28 is: 229,322.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,239.36 : 828,360.12 = 152,881.28 : x
  2. Step 2: Convert to fraction form
    552,239.36/828,360.12 = 152,881.28/x
  3. Step 3: Cross multiply
    552,239.36x = 828,360.12 × 152,881.28
  4. Step 4: Simplify right side
    552,239.36x = 126,640,755,446.55
  5. Step 5: Solve for x
    x = 126,640,755,446.55/552,239.36
  6. Step 6: Final answer
    x = 229,322.22

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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.