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Finding the Fourth Proportional to 369,644.98, 554,255.22 and 144,742.08

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Solution

The fourth proportional to 369,644.98, 554,255.22 and 144,742.08 is: 217,030.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,644.98 : 554,255.22 = 144,742.08 : x
  2. Step 2: Convert to fraction form
    369,644.98/554,255.22 = 144,742.08/x
  3. Step 3: Cross multiply
    369,644.98x = 554,255.22 × 144,742.08
  4. Step 4: Simplify right side
    369,644.98x = 80,224,053,393.66
  5. Step 5: Solve for x
    x = 80,224,053,393.66/369,644.98
  6. Step 6: Final answer
    x = 217,030.01

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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.