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Finding the Fourth Proportional to 357,818.83, 536,328.25 and 155,180.96

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Solution

The fourth proportional to 357,818.83, 536,328.25 and 155,180.96 is: 232,597.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,818.83 : 536,328.25 = 155,180.96 : x
  2. Step 2: Convert to fraction form
    357,818.83/536,328.25 = 155,180.96/x
  3. Step 3: Cross multiply
    357,818.83x = 536,328.25 × 155,180.96
  4. Step 4: Simplify right side
    357,818.83x = 83,227,929,640.53
  5. Step 5: Solve for x
    x = 83,227,929,640.53/357,818.83
  6. Step 6: Final answer
    x = 232,597.96

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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.