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Finding the Fourth Proportional to 222,718.32, 307,384.56 and 175,328.28

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Solution

The fourth proportional to 222,718.32, 307,384.56 and 175,328.28 is: 241,979.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,718.32 : 307,384.56 = 175,328.28 : x
  2. Step 2: Convert to fraction form
    222,718.32/307,384.56 = 175,328.28/x
  3. Step 3: Cross multiply
    222,718.32x = 307,384.56 × 175,328.28
  4. Step 4: Simplify right side
    222,718.32x = 53,893,206,203.36
  5. Step 5: Solve for x
    x = 53,893,206,203.36/222,718.32
  6. Step 6: Final answer
    x = 241,979.22

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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.