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Finding the Fourth Proportional to 356,609.52, 534,826.80 and 146,307.60

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Solution

The fourth proportional to 356,609.52, 534,826.80 and 146,307.60 is: 219,425.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,609.52 : 534,826.80 = 146,307.60 : x
  2. Step 2: Convert to fraction form
    356,609.52/534,826.80 = 146,307.60/x
  3. Step 3: Cross multiply
    356,609.52x = 534,826.80 × 146,307.60
  4. Step 4: Simplify right side
    356,609.52x = 78,249,225,523.68
  5. Step 5: Solve for x
    x = 78,249,225,523.68/356,609.52
  6. Step 6: Final answer
    x = 219,425.51

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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.