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Finding the Fourth Proportional to 1,056,000.80, 1,582,834.80 and 583,025.60

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Solution

The fourth proportional to 1,056,000.80, 1,582,834.80 and 583,025.60 is: 873,894.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,000.80 : 1,582,834.80 = 583,025.60 : x
  2. Step 2: Convert to fraction form
    1,056,000.80/1,582,834.80 = 583,025.60/x
  3. Step 3: Cross multiply
    1,056,000.80x = 1,582,834.80 × 583,025.60
  4. Step 4: Simplify right side
    1,056,000.80x = 922,833,208,970.88
  5. Step 5: Solve for x
    x = 922,833,208,970.88/1,056,000.80
  6. Step 6: Final answer
    x = 873,894.42

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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.