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Finding the Fourth Proportional to 898,473.92, 1,241,205.64 and 777,405.01

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Solution

The fourth proportional to 898,473.92, 1,241,205.64 and 777,405.01 is: 1,073,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,473.92 : 1,241,205.64 = 777,405.01 : x
  2. Step 2: Convert to fraction form
    898,473.92/1,241,205.64 = 777,405.01/x
  3. Step 3: Cross multiply
    898,473.92x = 1,241,205.64 × 777,405.01
  4. Step 4: Simplify right side
    898,473.92x = 964,919,484,629.89
  5. Step 5: Solve for x
    x = 964,919,484,629.89/898,473.92
  6. Step 6: Final answer
    x = 1,073,953.80

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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.