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Finding the Fourth Proportional to 369,843.84, 554,396.40 and 144,897.12

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Solution

The fourth proportional to 369,843.84, 554,396.40 and 144,897.12 is: 217,200.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,843.84 : 554,396.40 = 144,897.12 : x
  2. Step 2: Convert to fraction form
    369,843.84/554,396.40 = 144,897.12/x
  3. Step 3: Cross multiply
    369,843.84x = 554,396.40 × 144,897.12
  4. Step 4: Simplify right side
    369,843.84x = 80,330,441,698.37
  5. Step 5: Solve for x
    x = 80,330,441,698.37/369,843.84
  6. Step 6: Final answer
    x = 217,200.97

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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.