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Finding the Fourth Proportional to 297,270.47, 445,904.48 and 107,686.45

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Solution

The fourth proportional to 297,270.47, 445,904.48 and 107,686.45 is: 161,529.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,270.47 : 445,904.48 = 107,686.45 : x
  2. Step 2: Convert to fraction form
    297,270.47/445,904.48 = 107,686.45/x
  3. Step 3: Cross multiply
    297,270.47x = 445,904.48 × 107,686.45
  4. Step 4: Simplify right side
    297,270.47x = 48,017,868,260.77
  5. Step 5: Solve for x
    x = 48,017,868,260.77/297,270.47
  6. Step 6: Final answer
    x = 161,529.22

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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.