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Finding the Fourth Proportional to 378,052.70, 567,079.05 and 369,304.70

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Solution

The fourth proportional to 378,052.70, 567,079.05 and 369,304.70 is: 553,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,052.70 : 567,079.05 = 369,304.70 : x
  2. Step 2: Convert to fraction form
    378,052.70/567,079.05 = 369,304.70/x
  3. Step 3: Cross multiply
    378,052.70x = 567,079.05 × 369,304.70
  4. Step 4: Simplify right side
    378,052.70x = 209,424,958,436.54
  5. Step 5: Solve for x
    x = 209,424,958,436.54/378,052.70
  6. Step 6: Final answer
    x = 553,957.05

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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.