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Finding the Fourth Proportional to 671,842.66, 927,142.89 and 370,036.66

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Solution

The fourth proportional to 671,842.66, 927,142.89 and 370,036.66 is: 510,650.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,842.66 : 927,142.89 = 370,036.66 : x
  2. Step 2: Convert to fraction form
    671,842.66/927,142.89 = 370,036.66/x
  3. Step 3: Cross multiply
    671,842.66x = 927,142.89 × 370,036.66
  4. Step 4: Simplify right side
    671,842.66x = 343,076,858,358.35
  5. Step 5: Solve for x
    x = 343,076,858,358.35/671,842.66
  6. Step 6: Final answer
    x = 510,650.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.