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Finding the Fourth Proportional to 357,714.66, 536,172.33 and 155,076.84

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Solution

The fourth proportional to 357,714.66, 536,172.33 and 155,076.84 is: 232,442.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,714.66 : 536,172.33 = 155,076.84 : x
  2. Step 2: Convert to fraction form
    357,714.66/536,172.33 = 155,076.84/x
  3. Step 3: Cross multiply
    357,714.66x = 536,172.33 × 155,076.84
  4. Step 4: Simplify right side
    357,714.66x = 83,147,910,631.84
  5. Step 5: Solve for x
    x = 83,147,910,631.84/357,714.66
  6. Step 6: Final answer
    x = 232,442.00

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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.