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Finding the Fourth Proportional to 554,562.98, 831,844.62 and 155,262.58

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Solution

The fourth proportional to 554,562.98, 831,844.62 and 155,262.58 is: 232,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,562.98 : 831,844.62 = 155,262.58 : x
  2. Step 2: Convert to fraction form
    554,562.98/831,844.62 = 155,262.58/x
  3. Step 3: Cross multiply
    554,562.98x = 831,844.62 × 155,262.58
  4. Step 4: Simplify right side
    554,562.98x = 129,154,341,860.32
  5. Step 5: Solve for x
    x = 129,154,341,860.32/554,562.98
  6. Step 6: Final answer
    x = 232,893.91

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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.