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Finding the Fourth Proportional to 997,952.40, 1,496,928.60 and 774,003.60

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Solution

The fourth proportional to 997,952.40, 1,496,928.60 and 774,003.60 is: 1,161,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,952.40 : 1,496,928.60 = 774,003.60 : x
  2. Step 2: Convert to fraction form
    997,952.40/1,496,928.60 = 774,003.60/x
  3. Step 3: Cross multiply
    997,952.40x = 1,496,928.60 × 774,003.60
  4. Step 4: Simplify right side
    997,952.40x = 1,158,628,125,342.96
  5. Step 5: Solve for x
    x = 1,158,628,125,342.96/997,952.40
  6. Step 6: Final answer
    x = 1,161,005.40

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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.