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Finding the Fourth Proportional to 463,502.60, 695,330.70 and 197,390.60

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Solution

The fourth proportional to 463,502.60, 695,330.70 and 197,390.60 is: 296,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,502.60 : 695,330.70 = 197,390.60 : x
  2. Step 2: Convert to fraction form
    463,502.60/695,330.70 = 197,390.60/x
  3. Step 3: Cross multiply
    463,502.60x = 695,330.70 × 197,390.60
  4. Step 4: Simplify right side
    463,502.60x = 137,251,744,071.42
  5. Step 5: Solve for x
    x = 137,251,744,071.42/463,502.60
  6. Step 6: Final answer
    x = 296,118.61

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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.