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Finding the Fourth Proportional to 594,429.57, 891,415.98 and 215,238.11

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Solution

The fourth proportional to 594,429.57, 891,415.98 and 215,238.11 is: 322,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,429.57 : 891,415.98 = 215,238.11 : x
  2. Step 2: Convert to fraction form
    594,429.57/891,415.98 = 215,238.11/x
  3. Step 3: Cross multiply
    594,429.57x = 891,415.98 × 215,238.11
  4. Step 4: Simplify right side
    594,429.57x = 191,866,686,301.92
  5. Step 5: Solve for x
    x = 191,866,686,301.92/594,429.57
  6. Step 6: Final answer
    x = 322,774.46

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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.