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Finding the Fourth Proportional to 1,046,810, 1,570,240.92 and 381,962

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Solution

The fourth proportional to 1,046,810, 1,570,240.92 and 381,962 is: 572,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046,810 : 1,570,240.92 = 381,962 : x
  2. Step 2: Convert to fraction form
    1,046,810/1,570,240.92 = 381,962/x
  3. Step 3: Cross multiply
    1,046,810x = 1,570,240.92 × 381,962
  4. Step 4: Simplify right side
    1,046,810x = 599,772,362,285.04
  5. Step 5: Solve for x
    x = 599,772,362,285.04/1,046,810
  6. Step 6: Final answer
    x = 572,952.46

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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.