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Finding the Fourth Proportional to 873,602.82, 1,308,724.56 and 535,657.86

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Solution

The fourth proportional to 873,602.82, 1,308,724.56 and 535,657.86 is: 802,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,602.82 : 1,308,724.56 = 535,657.86 : x
  2. Step 2: Convert to fraction form
    873,602.82/1,308,724.56 = 535,657.86/x
  3. Step 3: Cross multiply
    873,602.82x = 1,308,724.56 × 535,657.86
  4. Step 4: Simplify right side
    873,602.82x = 701,028,597,139.04
  5. Step 5: Solve for x
    x = 701,028,597,139.04/873,602.82
  6. Step 6: Final answer
    x = 802,456.88

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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.