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Finding the Fourth Proportional to 303,206.80, 454,518.60 and 235,701.40

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Solution

The fourth proportional to 303,206.80, 454,518.60 and 235,701.40 is: 353,325.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,206.80 : 454,518.60 = 235,701.40 : x
  2. Step 2: Convert to fraction form
    303,206.80/454,518.60 = 235,701.40/x
  3. Step 3: Cross multiply
    303,206.80x = 454,518.60 × 235,701.40
  4. Step 4: Simplify right side
    303,206.80x = 107,130,670,346.04
  5. Step 5: Solve for x
    x = 107,130,670,346.04/303,206.80
  6. Step 6: Final answer
    x = 353,325.42

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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.