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Finding the Fourth Proportional to 322,900.64, 484,088.52 and 112,686.20

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Solution

The fourth proportional to 322,900.64, 484,088.52 and 112,686.20 is: 168,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,900.64 : 484,088.52 = 112,686.20 : x
  2. Step 2: Convert to fraction form
    322,900.64/484,088.52 = 112,686.20/x
  3. Step 3: Cross multiply
    322,900.64x = 484,088.52 × 112,686.20
  4. Step 4: Simplify right side
    322,900.64x = 54,550,095,782.42
  5. Step 5: Solve for x
    x = 54,550,095,782.42/322,900.64
  6. Step 6: Final answer
    x = 168,937.71

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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.