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Finding the Fourth Proportional to 696,308.32, 960,903.84 and 394,502.32

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Solution

The fourth proportional to 696,308.32, 960,903.84 and 394,502.32 is: 544,412.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,308.32 : 960,903.84 = 394,502.32 : x
  2. Step 2: Convert to fraction form
    696,308.32/960,903.84 = 394,502.32/x
  3. Step 3: Cross multiply
    696,308.32x = 960,903.84 × 394,502.32
  4. Step 4: Simplify right side
    696,308.32x = 379,078,794,176.91
  5. Step 5: Solve for x
    x = 379,078,794,176.91/696,308.32
  6. Step 6: Final answer
    x = 544,412.27

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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.