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Finding the Fourth Proportional to 625,790.72, 863,150.54 and 604,958.16

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Solution

The fourth proportional to 625,790.72, 863,150.54 and 604,958.16 is: 834,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,790.72 : 863,150.54 = 604,958.16 : x
  2. Step 2: Convert to fraction form
    625,790.72/863,150.54 = 604,958.16/x
  3. Step 3: Cross multiply
    625,790.72x = 863,150.54 × 604,958.16
  4. Step 4: Simplify right side
    625,790.72x = 522,169,959,456.62
  5. Step 5: Solve for x
    x = 522,169,959,456.62/625,790.72
  6. Step 6: Final answer
    x = 834,416.28

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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.