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Finding the Fourth Proportional to 372,297.18, 554,235 and 370,082.85

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Solution

The fourth proportional to 372,297.18, 554,235 and 370,082.85 is: 550,938.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,297.18 : 554,235 = 370,082.85 : x
  2. Step 2: Convert to fraction form
    372,297.18/554,235 = 370,082.85/x
  3. Step 3: Cross multiply
    372,297.18x = 554,235 × 370,082.85
  4. Step 4: Simplify right side
    372,297.18x = 205,112,868,369.75
  5. Step 5: Solve for x
    x = 205,112,868,369.75/372,297.18
  6. Step 6: Final answer
    x = 550,938.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.