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Finding the Fourth Proportional to 479,587.11, 661,783.01 and 264,713.28

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Solution

The fourth proportional to 479,587.11, 661,783.01 and 264,713.28 is: 365,278.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,587.11 : 661,783.01 = 264,713.28 : x
  2. Step 2: Convert to fraction form
    479,587.11/661,783.01 = 264,713.28/x
  3. Step 3: Cross multiply
    479,587.11x = 661,783.01 × 264,713.28
  4. Step 4: Simplify right side
    479,587.11x = 175,182,749,901.81
  5. Step 5: Solve for x
    x = 175,182,749,901.81/479,587.11
  6. Step 6: Final answer
    x = 365,278.27

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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.