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Finding the Fourth Proportional to 369,166.20, 553,749.30 and 200,767.20

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Solution

The fourth proportional to 369,166.20, 553,749.30 and 200,767.20 is: 301,150.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,166.20 : 553,749.30 = 200,767.20 : x
  2. Step 2: Convert to fraction form
    369,166.20/553,749.30 = 200,767.20/x
  3. Step 3: Cross multiply
    369,166.20x = 553,749.30 × 200,767.20
  4. Step 4: Simplify right side
    369,166.20x = 111,174,696,462.96
  5. Step 5: Solve for x
    x = 111,174,696,462.96/369,166.20
  6. Step 6: Final answer
    x = 301,150.80

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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.