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Finding the Fourth Proportional to 369,065.80, 553,250.40 and 200,337.40

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Solution

The fourth proportional to 369,065.80, 553,250.40 and 200,337.40 is: 300,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,065.80 : 553,250.40 = 200,337.40 : x
  2. Step 2: Convert to fraction form
    369,065.80/553,250.40 = 200,337.40/x
  3. Step 3: Cross multiply
    369,065.80x = 553,250.40 × 200,337.40
  4. Step 4: Simplify right side
    369,065.80x = 110,836,746,684.96
  5. Step 5: Solve for x
    x = 110,836,746,684.96/369,065.80
  6. Step 6: Final answer
    x = 300,317.03

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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.