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Finding the Fourth Proportional to 551,287.02, 826,987.71 and 151,927.86

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Solution

The fourth proportional to 551,287.02, 826,987.71 and 151,927.86 is: 227,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,287.02 : 826,987.71 = 151,927.86 : x
  2. Step 2: Convert to fraction form
    551,287.02/826,987.71 = 151,927.86/x
  3. Step 3: Cross multiply
    551,287.02x = 826,987.71 × 151,927.86
  4. Step 4: Simplify right side
    551,287.02x = 125,642,473,026.60
  5. Step 5: Solve for x
    x = 125,642,473,026.60/551,287.02
  6. Step 6: Final answer
    x = 227,907.55

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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.