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Finding the Fourth Proportional to 544,693.02, 817,039.60 and 145,335.28

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Solution

The fourth proportional to 544,693.02, 817,039.60 and 145,335.28 is: 218,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,693.02 : 817,039.60 = 145,335.28 : x
  2. Step 2: Convert to fraction form
    544,693.02/817,039.60 = 145,335.28/x
  3. Step 3: Cross multiply
    544,693.02x = 817,039.60 × 145,335.28
  4. Step 4: Simplify right side
    544,693.02x = 118,744,677,357.83
  5. Step 5: Solve for x
    x = 118,744,677,357.83/544,693.02
  6. Step 6: Final answer
    x = 218,002.94

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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.