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Finding the Fourth Proportional to 357,305.68, 493,105.76 and 236,238.81

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Solution

The fourth proportional to 357,305.68, 493,105.76 and 236,238.81 is: 326,025.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,305.68 : 493,105.76 = 236,238.81 : x
  2. Step 2: Convert to fraction form
    357,305.68/493,105.76 = 236,238.81/x
  3. Step 3: Cross multiply
    357,305.68x = 493,105.76 × 236,238.81
  4. Step 4: Simplify right side
    357,305.68x = 116,490,717,946.55
  5. Step 5: Solve for x
    x = 116,490,717,946.55/357,305.68
  6. Step 6: Final answer
    x = 326,025.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.