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Finding the Fourth Proportional to 479,429.69, 661,607.19 and 264,565.04

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Solution

The fourth proportional to 479,429.69, 661,607.19 and 264,565.04 is: 365,096.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,429.69 : 661,607.19 = 264,565.04 : x
  2. Step 2: Convert to fraction form
    479,429.69/661,607.19 = 264,565.04/x
  3. Step 3: Cross multiply
    479,429.69x = 661,607.19 × 264,565.04
  4. Step 4: Simplify right side
    479,429.69x = 175,038,129,378.60
  5. Step 5: Solve for x
    x = 175,038,129,378.60/479,429.69
  6. Step 6: Final answer
    x = 365,096.56

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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.