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Finding the Fourth Proportional to 265,247.57, 397,875.54 and 147,666.26

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Solution

The fourth proportional to 265,247.57, 397,875.54 and 147,666.26 is: 221,501.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,247.57 : 397,875.54 = 147,666.26 : x
  2. Step 2: Convert to fraction form
    265,247.57/397,875.54 = 147,666.26/x
  3. Step 3: Cross multiply
    265,247.57x = 397,875.54 × 147,666.26
  4. Step 4: Simplify right side
    265,247.57x = 58,752,792,937.28
  5. Step 5: Solve for x
    x = 58,752,792,937.28/265,247.57
  6. Step 6: Final answer
    x = 221,501.72

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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.