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Finding the Fourth Proportional to 616,742.59, 925,953.20 and 347,061.27

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Solution

The fourth proportional to 616,742.59, 925,953.20 and 347,061.27 is: 521,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,742.59 : 925,953.20 = 347,061.27 : x
  2. Step 2: Convert to fraction form
    616,742.59/925,953.20 = 347,061.27/x
  3. Step 3: Cross multiply
    616,742.59x = 925,953.20 × 347,061.27
  4. Step 4: Simplify right side
    616,742.59x = 321,362,487,802.22
  5. Step 5: Solve for x
    x = 321,362,487,802.22/616,742.59
  6. Step 6: Final answer
    x = 521,064.21

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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.