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Finding the Fourth Proportional to 369,633.80, 554,450.70 and 201,672.20

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Solution

The fourth proportional to 369,633.80, 554,450.70 and 201,672.20 is: 302,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,633.80 : 554,450.70 = 201,672.20 : x
  2. Step 2: Convert to fraction form
    369,633.80/554,450.70 = 201,672.20/x
  3. Step 3: Cross multiply
    369,633.80x = 554,450.70 × 201,672.20
  4. Step 4: Simplify right side
    369,633.80x = 111,817,292,460.54
  5. Step 5: Solve for x
    x = 111,817,292,460.54/369,633.80
  6. Step 6: Final answer
    x = 302,508.30

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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.