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Finding the Fourth Proportional to 369,675.70, 554,513.55 and 203,787.70

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Solution

The fourth proportional to 369,675.70, 554,513.55 and 203,787.70 is: 305,681.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,675.70 : 554,513.55 = 203,787.70 : x
  2. Step 2: Convert to fraction form
    369,675.70/554,513.55 = 203,787.70/x
  3. Step 3: Cross multiply
    369,675.70x = 554,513.55 × 203,787.70
  4. Step 4: Simplify right side
    369,675.70x = 113,003,040,973.34
  5. Step 5: Solve for x
    x = 113,003,040,973.34/369,675.70
  6. Step 6: Final answer
    x = 305,681.55

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1.5x scale

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.