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Finding the Fourth Proportional to 624,596.82, 861,741.57 and 382,626.90

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Solution

The fourth proportional to 624,596.82, 861,741.57 and 382,626.90 is: 527,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,596.82 : 861,741.57 = 382,626.90 : x
  2. Step 2: Convert to fraction form
    624,596.82/861,741.57 = 382,626.90/x
  3. Step 3: Cross multiply
    624,596.82x = 861,741.57 × 382,626.90
  4. Step 4: Simplify right side
    624,596.82x = 329,725,505,530.23
  5. Step 5: Solve for x
    x = 329,725,505,530.23/624,596.82
  6. Step 6: Final answer
    x = 527,901.35

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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.