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Finding the Fourth Proportional to 536,698.01, 740,657.39 and 294,987.03

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Solution

The fourth proportional to 536,698.01, 740,657.39 and 294,987.03 is: 407,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,698.01 : 740,657.39 = 294,987.03 : x
  2. Step 2: Convert to fraction form
    536,698.01/740,657.39 = 294,987.03/x
  3. Step 3: Cross multiply
    536,698.01x = 740,657.39 × 294,987.03
  4. Step 4: Simplify right side
    536,698.01x = 218,484,322,248.72
  5. Step 5: Solve for x
    x = 218,484,322,248.72/536,698.01
  6. Step 6: Final answer
    x = 407,089.87

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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.