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Finding the Fourth Proportional to 624,441.06, 862,099.97 and 409,957.11

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Solution

The fourth proportional to 624,441.06, 862,099.97 and 409,957.11 is: 565,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,441.06 : 862,099.97 = 409,957.11 : x
  2. Step 2: Convert to fraction form
    624,441.06/862,099.97 = 409,957.11/x
  3. Step 3: Cross multiply
    624,441.06x = 862,099.97 × 409,957.11
  4. Step 4: Simplify right side
    624,441.06x = 353,424,010,182.50
  5. Step 5: Solve for x
    x = 353,424,010,182.50/624,441.06
  6. Step 6: Final answer
    x = 565,984.58

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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.