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Finding the Fourth Proportional to 693,033.87, 956,028.51 and 438,532.68

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Solution

The fourth proportional to 693,033.87, 956,028.51 and 438,532.68 is: 604,948.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,033.87 : 956,028.51 = 438,532.68 : x
  2. Step 2: Convert to fraction form
    693,033.87/956,028.51 = 438,532.68/x
  3. Step 3: Cross multiply
    693,033.87x = 956,028.51 × 438,532.68
  4. Step 4: Simplify right side
    693,033.87x = 419,249,744,646.71
  5. Step 5: Solve for x
    x = 419,249,744,646.71/693,033.87
  6. Step 6: Final answer
    x = 604,948.42

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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.