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Finding the Fourth Proportional to 624,643.02, 937,139.49 and 250,928.46

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Solution

The fourth proportional to 624,643.02, 937,139.49 and 250,928.46 is: 376,462.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,643.02 : 937,139.49 = 250,928.46 : x
  2. Step 2: Convert to fraction form
    624,643.02/937,139.49 = 250,928.46/x
  3. Step 3: Cross multiply
    624,643.02x = 937,139.49 × 250,928.46
  4. Step 4: Simplify right side
    624,643.02x = 235,154,969,030.89
  5. Step 5: Solve for x
    x = 235,154,969,030.89/624,643.02
  6. Step 6: Final answer
    x = 376,462.97

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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.