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Finding the Fourth Proportional to 544,767.32, 817,154.52 and 189,788

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Solution

The fourth proportional to 544,767.32, 817,154.52 and 189,788 is: 284,683.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,767.32 : 817,154.52 = 189,788 : x
  2. Step 2: Convert to fraction form
    544,767.32/817,154.52 = 189,788/x
  3. Step 3: Cross multiply
    544,767.32x = 817,154.52 × 189,788
  4. Step 4: Simplify right side
    544,767.32x = 155,086,122,041.76
  5. Step 5: Solve for x
    x = 155,086,122,041.76/544,767.32
  6. Step 6: Final answer
    x = 284,683.23

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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.