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Finding the Fourth Proportional to 700,535.16, 966,683.70 and 394,598.16

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Solution

The fourth proportional to 700,535.16, 966,683.70 and 394,598.16 is: 544,514.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,535.16 : 966,683.70 = 394,598.16 : x
  2. Step 2: Convert to fraction form
    700,535.16/966,683.70 = 394,598.16/x
  3. Step 3: Cross multiply
    700,535.16x = 966,683.70 × 394,598.16
  4. Step 4: Simplify right side
    700,535.16x = 381,451,609,321.99
  5. Step 5: Solve for x
    x = 381,451,609,321.99/700,535.16
  6. Step 6: Final answer
    x = 544,514.58

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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.