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Finding the Fourth Proportional to 623,074.28, 859,883.04 and 347,463.27

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Solution

The fourth proportional to 623,074.28, 859,883.04 and 347,463.27 is: 479,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,074.28 : 859,883.04 = 347,463.27 : x
  2. Step 2: Convert to fraction form
    623,074.28/859,883.04 = 347,463.27/x
  3. Step 3: Cross multiply
    623,074.28x = 859,883.04 × 347,463.27
  4. Step 4: Simplify right side
    623,074.28x = 298,777,772,895.94
  5. Step 5: Solve for x
    x = 298,777,772,895.94/623,074.28
  6. Step 6: Final answer
    x = 479,521.92

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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.