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Finding the Fourth Proportional to 985,507.60, 1,475,496.60 and 957,859.60

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Solution

The fourth proportional to 985,507.60, 1,475,496.60 and 957,859.60 is: 1,434,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,507.60 : 1,475,496.60 = 957,859.60 : x
  2. Step 2: Convert to fraction form
    985,507.60/1,475,496.60 = 957,859.60/x
  3. Step 3: Cross multiply
    985,507.60x = 1,475,496.60 × 957,859.60
  4. Step 4: Simplify right side
    985,507.60x = 1,413,318,583,077.36
  5. Step 5: Solve for x
    x = 1,413,318,583,077.36/985,507.60
  6. Step 6: Final answer
    x = 1,434,102.17

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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.