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Finding the Fourth Proportional to 369,404.78, 553,885.23 and 144,496.94

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Solution

The fourth proportional to 369,404.78, 553,885.23 and 144,496.94 is: 216,658.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,404.78 : 553,885.23 = 144,496.94 : x
  2. Step 2: Convert to fraction form
    369,404.78/553,885.23 = 144,496.94/x
  3. Step 3: Cross multiply
    369,404.78x = 553,885.23 × 144,496.94
  4. Step 4: Simplify right side
    369,404.78x = 80,034,720,846.20
  5. Step 5: Solve for x
    x = 80,034,720,846.20/369,404.78
  6. Step 6: Final answer
    x = 216,658.60

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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.