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Finding the Fourth Proportional to 700,916.48, 967,265.58 and 378,626.58

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Solution

The fourth proportional to 700,916.48, 967,265.58 and 378,626.58 is: 522,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,916.48 : 967,265.58 = 378,626.58 : x
  2. Step 2: Convert to fraction form
    700,916.48/967,265.58 = 378,626.58/x
  3. Step 3: Cross multiply
    700,916.48x = 967,265.58 × 378,626.58
  4. Step 4: Simplify right side
    700,916.48x = 366,232,458,507.12
  5. Step 5: Solve for x
    x = 366,232,458,507.12/700,916.48
  6. Step 6: Final answer
    x = 522,505.14

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1.5x scale

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.