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Finding the Fourth Proportional to 442,258.94, 663,528.74 and 157,943.48

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Solution

The fourth proportional to 442,258.94, 663,528.74 and 157,943.48 is: 236,965.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,258.94 : 663,528.74 = 157,943.48 : x
  2. Step 2: Convert to fraction form
    442,258.94/663,528.74 = 157,943.48/x
  3. Step 3: Cross multiply
    442,258.94x = 663,528.74 × 157,943.48
  4. Step 4: Simplify right side
    442,258.94x = 104,800,038,275.62
  5. Step 5: Solve for x
    x = 104,800,038,275.62/442,258.94
  6. Step 6: Final answer
    x = 236,965.34

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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.