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Finding the Fourth Proportional to 935,783.88, 1,291,384.72 and 506,067

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Solution

The fourth proportional to 935,783.88, 1,291,384.72 and 506,067 is: 698,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,783.88 : 1,291,384.72 = 506,067 : x
  2. Step 2: Convert to fraction form
    935,783.88/1,291,384.72 = 506,067/x
  3. Step 3: Cross multiply
    935,783.88x = 1,291,384.72 × 506,067
  4. Step 4: Simplify right side
    935,783.88x = 653,527,191,096.24
  5. Step 5: Solve for x
    x = 653,527,191,096.24/935,783.88
  6. Step 6: Final answer
    x = 698,374.06

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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.