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Finding the Fourth Proportional to 243,358.04, 364,272.30 and 154,711.64

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Solution

The fourth proportional to 243,358.04, 364,272.30 and 154,711.64 is: 231,581.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,358.04 : 364,272.30 = 154,711.64 : x
  2. Step 2: Convert to fraction form
    243,358.04/364,272.30 = 154,711.64/x
  3. Step 3: Cross multiply
    243,358.04x = 364,272.30 × 154,711.64
  4. Step 4: Simplify right side
    243,358.04x = 56,357,164,939.57
  5. Step 5: Solve for x
    x = 56,357,164,939.57/243,358.04
  6. Step 6: Final answer
    x = 231,581.27

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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.