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Finding the Fourth Proportional to 1,062,981.60, 1,594,472.40 and 1,016,908.80

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Solution

The fourth proportional to 1,062,981.60, 1,594,472.40 and 1,016,908.80 is: 1,525,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,981.60 : 1,594,472.40 = 1,016,908.80 : x
  2. Step 2: Convert to fraction form
    1,062,981.60/1,594,472.40 = 1,016,908.80/x
  3. Step 3: Cross multiply
    1,062,981.60x = 1,594,472.40 × 1,016,908.80
  4. Step 4: Simplify right side
    1,062,981.60x = 1,621,433,014,917.12
  5. Step 5: Solve for x
    x = 1,621,433,014,917.12/1,062,981.60
  6. Step 6: Final answer
    x = 1,525,363.20

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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.