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Finding the Fourth Proportional to 507,274.74, 760,732.62 and 147,370.71

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Solution

The fourth proportional to 507,274.74, 760,732.62 and 147,370.71 is: 221,003.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,274.74 : 760,732.62 = 147,370.71 : x
  2. Step 2: Convert to fraction form
    507,274.74/760,732.62 = 147,370.71/x
  3. Step 3: Cross multiply
    507,274.74x = 760,732.62 × 147,370.71
  4. Step 4: Simplify right side
    507,274.74x = 112,109,703,690.88
  5. Step 5: Solve for x
    x = 112,109,703,690.88/507,274.74
  6. Step 6: Final answer
    x = 221,003.92

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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.