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Finding the Fourth Proportional to 538,805.32, 808,178.66 and 164,828.32

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Solution

The fourth proportional to 538,805.32, 808,178.66 and 164,828.32 is: 247,233.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,805.32 : 808,178.66 = 164,828.32 : x
  2. Step 2: Convert to fraction form
    538,805.32/808,178.66 = 164,828.32/x
  3. Step 3: Cross multiply
    538,805.32x = 808,178.66 × 164,828.32
  4. Step 4: Simplify right side
    538,805.32x = 133,210,730,787.65
  5. Step 5: Solve for x
    x = 133,210,730,787.65/538,805.32
  6. Step 6: Final answer
    x = 247,233.51

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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.