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Finding the Fourth Proportional to 501,076.18, 750,612.84 and 301,287.16

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Solution

The fourth proportional to 501,076.18, 750,612.84 and 301,287.16 is: 451,328.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,076.18 : 750,612.84 = 301,287.16 : x
  2. Step 2: Convert to fraction form
    501,076.18/750,612.84 = 301,287.16/x
  3. Step 3: Cross multiply
    501,076.18x = 750,612.84 × 301,287.16
  4. Step 4: Simplify right side
    501,076.18x = 226,150,010,823.13
  5. Step 5: Solve for x
    x = 226,150,010,823.13/501,076.18
  6. Step 6: Final answer
    x = 451,328.60

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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.