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Finding the Fourth Proportional to 544,984.76, 817,532.88 and 208,308.80

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Solution

The fourth proportional to 544,984.76, 817,532.88 and 208,308.80 is: 312,484.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,984.76 : 817,532.88 = 208,308.80 : x
  2. Step 2: Convert to fraction form
    544,984.76/817,532.88 = 208,308.80/x
  3. Step 3: Cross multiply
    544,984.76x = 817,532.88 × 208,308.80
  4. Step 4: Simplify right side
    544,984.76x = 170,299,293,193.34
  5. Step 5: Solve for x
    x = 170,299,293,193.34/544,984.76
  6. Step 6: Final answer
    x = 312,484.51

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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.