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Finding the Fourth Proportional to 474,323.22, 711,521.82 and 137,368.89

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Solution

The fourth proportional to 474,323.22, 711,521.82 and 137,368.89 is: 206,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,323.22 : 711,521.82 = 137,368.89 : x
  2. Step 2: Convert to fraction form
    474,323.22/711,521.82 = 137,368.89/x
  3. Step 3: Cross multiply
    474,323.22x = 711,521.82 × 137,368.89
  4. Step 4: Simplify right side
    474,323.22x = 97,740,962,624.18
  5. Step 5: Solve for x
    x = 97,740,962,624.18/474,323.22
  6. Step 6: Final answer
    x = 206,064.05

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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.