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Finding the Fourth Proportional to 265,007.80, 397,530.90 and 159,599.80

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Solution

The fourth proportional to 265,007.80, 397,530.90 and 159,599.80 is: 239,411.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,007.80 : 397,530.90 = 159,599.80 : x
  2. Step 2: Convert to fraction form
    265,007.80/397,530.90 = 159,599.80/x
  3. Step 3: Cross multiply
    265,007.80x = 397,530.90 × 159,599.80
  4. Step 4: Simplify right side
    265,007.80x = 63,445,852,133.82
  5. Step 5: Solve for x
    x = 63,445,852,133.82/265,007.80
  6. Step 6: Final answer
    x = 239,411.26

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1.5x scale

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.