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Finding the Fourth Proportional to 243,502.74, 365,336.14 and 153,440.88

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Solution

The fourth proportional to 243,502.74, 365,336.14 and 153,440.88 is: 230,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,502.74 : 365,336.14 = 153,440.88 : x
  2. Step 2: Convert to fraction form
    243,502.74/365,336.14 = 153,440.88/x
  3. Step 3: Cross multiply
    243,502.74x = 365,336.14 × 153,440.88
  4. Step 4: Simplify right side
    243,502.74x = 56,057,498,817.40
  5. Step 5: Solve for x
    x = 56,057,498,817.40/243,502.74
  6. Step 6: Final answer
    x = 230,213.01

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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.