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Finding the Fourth Proportional to 300,577.53, 415,077.98 and 193,333.74

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Solution

The fourth proportional to 300,577.53, 415,077.98 and 193,333.74 is: 266,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,577.53 : 415,077.98 = 193,333.74 : x
  2. Step 2: Convert to fraction form
    300,577.53/415,077.98 = 193,333.74/x
  3. Step 3: Cross multiply
    300,577.53x = 415,077.98 × 193,333.74
  4. Step 4: Simplify right side
    300,577.53x = 80,248,577,298.38
  5. Step 5: Solve for x
    x = 80,248,577,298.38/300,577.53
  6. Step 6: Final answer
    x = 266,981.29

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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.