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Finding the Fourth Proportional to 448,078.80, 671,011.56 and 333,952.95

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Solution

The fourth proportional to 448,078.80, 671,011.56 and 333,952.95 is: 500,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,078.80 : 671,011.56 = 333,952.95 : x
  2. Step 2: Convert to fraction form
    448,078.80/671,011.56 = 333,952.95/x
  3. Step 3: Cross multiply
    448,078.80x = 671,011.56 × 333,952.95
  4. Step 4: Simplify right side
    448,078.80x = 224,086,289,946.10
  5. Step 5: Solve for x
    x = 224,086,289,946.10/448,078.80
  6. Step 6: Final answer
    x = 500,104.65

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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.