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Finding the Fourth Proportional to 369,195.20, 553,792.80 and 201,233.60

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Solution

The fourth proportional to 369,195.20, 553,792.80 and 201,233.60 is: 301,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,195.20 : 553,792.80 = 201,233.60 : x
  2. Step 2: Convert to fraction form
    369,195.20/553,792.80 = 201,233.60/x
  3. Step 3: Cross multiply
    369,195.20x = 553,792.80 × 201,233.60
  4. Step 4: Simplify right side
    369,195.20x = 111,441,718,798.08
  5. Step 5: Solve for x
    x = 111,441,718,798.08/369,195.20
  6. Step 6: Final answer
    x = 301,850.40

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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.