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Finding the Fourth Proportional to 374,478.96, 516,741.96 and 213,300.36

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Solution

The fourth proportional to 374,478.96, 516,741.96 and 213,300.36 is: 294,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,478.96 : 516,741.96 = 213,300.36 : x
  2. Step 2: Convert to fraction form
    374,478.96/516,741.96 = 213,300.36/x
  3. Step 3: Cross multiply
    374,478.96x = 516,741.96 × 213,300.36
  4. Step 4: Simplify right side
    374,478.96x = 110,221,246,095.11
  5. Step 5: Solve for x
    x = 110,221,246,095.11/374,478.96
  6. Step 6: Final answer
    x = 294,332.28

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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.