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Finding the Fourth Proportional to 554,214.46, 831,368.22 and 154,859.17

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Solution

The fourth proportional to 554,214.46, 831,368.22 and 154,859.17 is: 232,301.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,214.46 : 831,368.22 = 154,859.17 : x
  2. Step 2: Convert to fraction form
    554,214.46/831,368.22 = 154,859.17/x
  3. Step 3: Cross multiply
    554,214.46x = 831,368.22 × 154,859.17
  4. Step 4: Simplify right side
    554,214.46x = 128,744,992,513.58
  5. Step 5: Solve for x
    x = 128,744,992,513.58/554,214.46
  6. Step 6: Final answer
    x = 232,301.76

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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.