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Finding the Fourth Proportional to 517,089.66, 775,611.93 and 162,095.58

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Solution

The fourth proportional to 517,089.66, 775,611.93 and 162,095.58 is: 243,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,089.66 : 775,611.93 = 162,095.58 : x
  2. Step 2: Convert to fraction form
    517,089.66/775,611.93 = 162,095.58/x
  3. Step 3: Cross multiply
    517,089.66x = 775,611.93 × 162,095.58
  4. Step 4: Simplify right side
    517,089.66x = 125,723,265,648.27
  5. Step 5: Solve for x
    x = 125,723,265,648.27/517,089.66
  6. Step 6: Final answer
    x = 243,136.30

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1.5x scale

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.