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Finding the Fourth Proportional to 411,595.02, 569,040.39 and 303,994.62

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Solution

The fourth proportional to 411,595.02, 569,040.39 and 303,994.62 is: 420,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,595.02 : 569,040.39 = 303,994.62 : x
  2. Step 2: Convert to fraction form
    411,595.02/569,040.39 = 303,994.62/x
  3. Step 3: Cross multiply
    411,595.02x = 569,040.39 × 303,994.62
  4. Step 4: Simplify right side
    411,595.02x = 172,985,217,122.70
  5. Step 5: Solve for x
    x = 172,985,217,122.70/411,595.02
  6. Step 6: Final answer
    x = 420,280.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.