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Finding the Fourth Proportional to 552,626.63, 828,939.89 and 153,267.39

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Solution

The fourth proportional to 552,626.63, 828,939.89 and 153,267.39 is: 229,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,626.63 : 828,939.89 = 153,267.39 : x
  2. Step 2: Convert to fraction form
    552,626.63/828,939.89 = 153,267.39/x
  3. Step 3: Cross multiply
    552,626.63x = 828,939.89 × 153,267.39
  4. Step 4: Simplify right side
    552,626.63x = 127,049,453,407.19
  5. Step 5: Solve for x
    x = 127,049,453,407.19/552,626.63
  6. Step 6: Final answer
    x = 229,901.07

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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.