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Finding the Fourth Proportional to 544,783.32, 817,178.58 and 189,804.06

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Solution

The fourth proportional to 544,783.32, 817,178.58 and 189,804.06 is: 284,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,783.32 : 817,178.58 = 189,804.06 : x
  2. Step 2: Convert to fraction form
    544,783.32/817,178.58 = 189,804.06/x
  3. Step 3: Cross multiply
    544,783.32x = 817,178.58 × 189,804.06
  4. Step 4: Simplify right side
    544,783.32x = 155,103,812,229.04
  5. Step 5: Solve for x
    x = 155,103,812,229.04/544,783.32
  6. Step 6: Final answer
    x = 284,707.34

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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.