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Finding the Fourth Proportional to 624,012.84, 934,182.18 and 386,592.12

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Solution

The fourth proportional to 624,012.84, 934,182.18 and 386,592.12 is: 578,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,012.84 : 934,182.18 = 386,592.12 : x
  2. Step 2: Convert to fraction form
    624,012.84/934,182.18 = 386,592.12/x
  3. Step 3: Cross multiply
    624,012.84x = 934,182.18 × 386,592.12
  4. Step 4: Simplify right side
    624,012.84x = 361,147,469,432.42
  5. Step 5: Solve for x
    x = 361,147,469,432.42/624,012.84
  6. Step 6: Final answer
    x = 578,750.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.