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Finding the Fourth Proportional to 247,018.32, 370,510.20 and 141,506.64

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Solution

The fourth proportional to 247,018.32, 370,510.20 and 141,506.64 is: 212,250.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,018.32 : 370,510.20 = 141,506.64 : x
  2. Step 2: Convert to fraction form
    247,018.32/370,510.20 = 141,506.64/x
  3. Step 3: Cross multiply
    247,018.32x = 370,510.20 × 141,506.64
  4. Step 4: Simplify right side
    247,018.32x = 52,429,653,487.73
  5. Step 5: Solve for x
    x = 52,429,653,487.73/247,018.32
  6. Step 6: Final answer
    x = 212,250.06

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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.