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Finding the Fourth Proportional to 554,477.82, 831,569.13 and 155,093.82

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Solution

The fourth proportional to 554,477.82, 831,569.13 and 155,093.82 is: 232,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,477.82 : 831,569.13 = 155,093.82 : x
  2. Step 2: Convert to fraction form
    554,477.82/831,569.13 = 155,093.82/x
  3. Step 3: Cross multiply
    554,477.82x = 831,569.13 × 155,093.82
  4. Step 4: Simplify right side
    554,477.82x = 128,971,232,965.78
  5. Step 5: Solve for x
    x = 128,971,232,965.78/554,477.82
  6. Step 6: Final answer
    x = 232,599.44

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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.