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Finding the Fourth Proportional to 602,178.60, 903,267.90 and 365,593.80

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Solution

The fourth proportional to 602,178.60, 903,267.90 and 365,593.80 is: 548,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,178.60 : 903,267.90 = 365,593.80 : x
  2. Step 2: Convert to fraction form
    602,178.60/903,267.90 = 365,593.80/x
  3. Step 3: Cross multiply
    602,178.60x = 903,267.90 × 365,593.80
  4. Step 4: Simplify right side
    602,178.60x = 330,229,143,979.02
  5. Step 5: Solve for x
    x = 330,229,143,979.02/602,178.60
  6. Step 6: Final answer
    x = 548,390.70

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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.