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Finding the Fourth Proportional to 516,897.27, 713,213.64 and 301,995.81

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Solution

The fourth proportional to 516,897.27, 713,213.64 and 301,995.81 is: 416,693.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,897.27 : 713,213.64 = 301,995.81 : x
  2. Step 2: Convert to fraction form
    516,897.27/713,213.64 = 301,995.81/x
  3. Step 3: Cross multiply
    516,897.27x = 713,213.64 × 301,995.81
  4. Step 4: Simplify right side
    516,897.27x = 215,387,530,914.85
  5. Step 5: Solve for x
    x = 215,387,530,914.85/516,897.27
  6. Step 6: Final answer
    x = 416,693.11

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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.