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Finding the Fourth Proportional to 544,728.60, 817,611.30 and 465,931.80

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Solution

The fourth proportional to 544,728.60, 817,611.30 and 465,931.80 is: 699,341.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,728.60 : 817,611.30 = 465,931.80 : x
  2. Step 2: Convert to fraction form
    544,728.60/817,611.30 = 465,931.80/x
  3. Step 3: Cross multiply
    544,728.60x = 817,611.30 × 465,931.80
  4. Step 4: Simplify right side
    544,728.60x = 380,951,104,709.34
  5. Step 5: Solve for x
    x = 380,951,104,709.34/544,728.60
  6. Step 6: Final answer
    x = 699,341.11

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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.