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Finding the Fourth Proportional to 370,494.80, 520,092.40 and 370,494.80

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Solution

The fourth proportional to 370,494.80, 520,092.40 and 370,494.80 is: 520,092.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,494.80 : 520,092.40 = 370,494.80 : x
  2. Step 2: Convert to fraction form
    370,494.80/520,092.40 = 370,494.80/x
  3. Step 3: Cross multiply
    370,494.80x = 520,092.40 × 370,494.80
  4. Step 4: Simplify right side
    370,494.80x = 192,691,529,719.52
  5. Step 5: Solve for x
    x = 192,691,529,719.52/370,494.80
  6. Step 6: Final answer
    x = 520,092.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.