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Finding the Fourth Proportional to 544,518.40, 817,069.20 and 245,045.20

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Solution

The fourth proportional to 544,518.40, 817,069.20 and 245,045.20 is: 367,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,518.40 : 817,069.20 = 245,045.20 : x
  2. Step 2: Convert to fraction form
    544,518.40/817,069.20 = 245,045.20/x
  3. Step 3: Cross multiply
    544,518.40x = 817,069.20 × 245,045.20
  4. Step 4: Simplify right side
    544,518.40x = 200,218,885,527.84
  5. Step 5: Solve for x
    x = 200,218,885,527.84/544,518.40
  6. Step 6: Final answer
    x = 367,699.03

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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.