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Finding the Fourth Proportional to 383,654, 575,714.28 and 162,038

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Solution

The fourth proportional to 383,654, 575,714.28 and 162,038 is: 243,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,654 : 575,714.28 = 162,038 : x
  2. Step 2: Convert to fraction form
    383,654/575,714.28 = 162,038/x
  3. Step 3: Cross multiply
    383,654x = 575,714.28 × 162,038
  4. Step 4: Simplify right side
    383,654x = 93,287,590,502.64
  5. Step 5: Solve for x
    x = 93,287,590,502.64/383,654
  6. Step 6: Final answer
    x = 243,155.53

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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.