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Finding the Fourth Proportional to 469,866.69, 704,642.07 and 170,284.55

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Solution

The fourth proportional to 469,866.69, 704,642.07 and 170,284.55 is: 255,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,866.69 : 704,642.07 = 170,284.55 : x
  2. Step 2: Convert to fraction form
    469,866.69/704,642.07 = 170,284.55/x
  3. Step 3: Cross multiply
    469,866.69x = 704,642.07 × 170,284.55
  4. Step 4: Simplify right side
    469,866.69x = 119,989,654,277.81
  5. Step 5: Solve for x
    x = 119,989,654,277.81/469,866.69
  6. Step 6: Final answer
    x = 255,369.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.