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Finding the Fourth Proportional to 1,036,787.42, 1,554,947.85 and 371,939.42

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Solution

The fourth proportional to 1,036,787.42, 1,554,947.85 and 371,939.42 is: 557,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,787.42 : 1,554,947.85 = 371,939.42 : x
  2. Step 2: Convert to fraction form
    1,036,787.42/1,554,947.85 = 371,939.42/x
  3. Step 3: Cross multiply
    1,036,787.42x = 1,554,947.85 × 371,939.42
  4. Step 4: Simplify right side
    1,036,787.42x = 578,346,401,459.25
  5. Step 5: Solve for x
    x = 578,346,401,459.25/1,036,787.42
  6. Step 6: Final answer
    x = 557,825.44

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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.