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Finding the Fourth Proportional to 1,288,873.04, 1,933,329 and 447,451.52

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Solution

The fourth proportional to 1,288,873.04, 1,933,329 and 447,451.52 is: 671,184.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,873.04 : 1,933,329 = 447,451.52 : x
  2. Step 2: Convert to fraction form
    1,288,873.04/1,933,329 = 447,451.52/x
  3. Step 3: Cross multiply
    1,288,873.04x = 1,933,329 × 447,451.52
  4. Step 4: Simplify right side
    1,288,873.04x = 865,070,999,710.08
  5. Step 5: Solve for x
    x = 865,070,999,710.08/1,288,873.04
  6. Step 6: Final answer
    x = 671,184.03

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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.