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Finding the Fourth Proportional to 297,203.46, 445,701.51 and 130,900.74

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Solution

The fourth proportional to 297,203.46, 445,701.51 and 130,900.74 is: 196,305.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,203.46 : 445,701.51 = 130,900.74 : x
  2. Step 2: Convert to fraction form
    297,203.46/445,701.51 = 130,900.74/x
  3. Step 3: Cross multiply
    297,203.46x = 445,701.51 × 130,900.74
  4. Step 4: Simplify right side
    297,203.46x = 58,342,657,478.12
  5. Step 5: Solve for x
    x = 58,342,657,478.12/297,203.46
  6. Step 6: Final answer
    x = 196,305.45

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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.