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Finding the Fourth Proportional to 544,778.66, 751,487.37 and 326,931.62

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Solution

The fourth proportional to 544,778.66, 751,487.37 and 326,931.62 is: 450,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,778.66 : 751,487.37 = 326,931.62 : x
  2. Step 2: Convert to fraction form
    544,778.66/751,487.37 = 326,931.62/x
  3. Step 3: Cross multiply
    544,778.66x = 751,487.37 × 326,931.62
  4. Step 4: Simplify right side
    544,778.66x = 245,684,983,283.64
  5. Step 5: Solve for x
    x = 245,684,983,283.64/544,778.66
  6. Step 6: Final answer
    x = 450,981.29

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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.