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Finding the Fourth Proportional to 521,950.04, 783,226.08 and 282,064.48

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Solution

The fourth proportional to 521,950.04, 783,226.08 and 282,064.48 is: 423,259.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,950.04 : 783,226.08 = 282,064.48 : x
  2. Step 2: Convert to fraction form
    521,950.04/783,226.08 = 282,064.48/x
  3. Step 3: Cross multiply
    521,950.04x = 783,226.08 × 282,064.48
  4. Step 4: Simplify right side
    521,950.04x = 220,920,256,977.64
  5. Step 5: Solve for x
    x = 220,920,256,977.64/521,950.04
  6. Step 6: Final answer
    x = 423,259.39

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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.