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Finding the Fourth Proportional to 544,866.08, 817,290.90 and 245,135

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Solution

The fourth proportional to 544,866.08, 817,290.90 and 245,135 is: 367,698.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,866.08 : 817,290.90 = 245,135 : x
  2. Step 2: Convert to fraction form
    544,866.08/817,290.90 = 245,135/x
  3. Step 3: Cross multiply
    544,866.08x = 817,290.90 × 245,135
  4. Step 4: Simplify right side
    544,866.08x = 200,346,604,771.50
  5. Step 5: Solve for x
    x = 200,346,604,771.50/544,866.08
  6. Step 6: Final answer
    x = 367,698.80

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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.