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Finding the Fourth Proportional to 516,795.79, 713,373.05 and 302,005.66

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Solution

The fourth proportional to 516,795.79, 713,373.05 and 302,005.66 is: 416,881.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,795.79 : 713,373.05 = 302,005.66 : x
  2. Step 2: Convert to fraction form
    516,795.79/713,373.05 = 302,005.66/x
  3. Step 3: Cross multiply
    516,795.79x = 713,373.05 × 302,005.66
  4. Step 4: Simplify right side
    516,795.79x = 215,442,693,714.57
  5. Step 5: Solve for x
    x = 215,442,693,714.57/516,795.79
  6. Step 6: Final answer
    x = 416,881.68

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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.