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Finding the Fourth Proportional to 462,873.64, 638,735.62 and 258,889.26

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Solution

The fourth proportional to 462,873.64, 638,735.62 and 258,889.26 is: 357,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,873.64 : 638,735.62 = 258,889.26 : x
  2. Step 2: Convert to fraction form
    462,873.64/638,735.62 = 258,889.26/x
  3. Step 3: Cross multiply
    462,873.64x = 638,735.62 × 258,889.26
  4. Step 4: Simplify right side
    462,873.64x = 165,361,792,947.06
  5. Step 5: Solve for x
    x = 165,361,792,947.06/462,873.64
  6. Step 6: Final answer
    x = 357,250.40

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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.