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Finding the Fourth Proportional to 602,191.66, 830,787.42 and 347,493.64

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Solution

The fourth proportional to 602,191.66, 830,787.42 and 347,493.64 is: 479,404.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,191.66 : 830,787.42 = 347,493.64 : x
  2. Step 2: Convert to fraction form
    602,191.66/830,787.42 = 347,493.64/x
  3. Step 3: Cross multiply
    602,191.66x = 830,787.42 × 347,493.64
  4. Step 4: Simplify right side
    602,191.66x = 288,693,344,642.01
  5. Step 5: Solve for x
    x = 288,693,344,642.01/602,191.66
  6. Step 6: Final answer
    x = 479,404.42

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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.