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Finding the Fourth Proportional to 314,773.67, 472,021.58 and 90,082.94

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Solution

The fourth proportional to 314,773.67, 472,021.58 and 90,082.94 is: 135,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,773.67 : 472,021.58 = 90,082.94 : x
  2. Step 2: Convert to fraction form
    314,773.67/472,021.58 = 90,082.94/x
  3. Step 3: Cross multiply
    314,773.67x = 472,021.58 × 90,082.94
  4. Step 4: Simplify right side
    314,773.67x = 42,521,091,305.03
  5. Step 5: Solve for x
    x = 42,521,091,305.03/314,773.67
  6. Step 6: Final answer
    x = 135,084.65

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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.