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Finding the Fourth Proportional to 462,203.10, 693,304.65 and 303,572.70

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Solution

The fourth proportional to 462,203.10, 693,304.65 and 303,572.70 is: 455,359.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,203.10 : 693,304.65 = 303,572.70 : x
  2. Step 2: Convert to fraction form
    462,203.10/693,304.65 = 303,572.70/x
  3. Step 3: Cross multiply
    462,203.10x = 693,304.65 × 303,572.70
  4. Step 4: Simplify right side
    462,203.10x = 210,468,364,523.06
  5. Step 5: Solve for x
    x = 210,468,364,523.06/462,203.10
  6. Step 6: Final answer
    x = 455,359.05

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Similar ratio
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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.