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Finding the Fourth Proportional to 653,554.73, 901,990.10 and 367,074.80

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Solution

The fourth proportional to 653,554.73, 901,990.10 and 367,074.80 is: 506,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,554.73 : 901,990.10 = 367,074.80 : x
  2. Step 2: Convert to fraction form
    653,554.73/901,990.10 = 367,074.80/x
  3. Step 3: Cross multiply
    653,554.73x = 901,990.10 × 367,074.80
  4. Step 4: Simplify right side
    653,554.73x = 331,097,838,358.58
  5. Step 5: Solve for x
    x = 331,097,838,358.58/653,554.73
  6. Step 6: Final answer
    x = 506,610.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.