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Finding the Fourth Proportional to 522,132.60, 783,199.50 and 143,056.56

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Solution

The fourth proportional to 522,132.60, 783,199.50 and 143,056.56 is: 214,585.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,132.60 : 783,199.50 = 143,056.56 : x
  2. Step 2: Convert to fraction form
    522,132.60/783,199.50 = 143,056.56/x
  3. Step 3: Cross multiply
    522,132.60x = 783,199.50 × 143,056.56
  4. Step 4: Simplify right side
    522,132.60x = 112,041,826,263.72
  5. Step 5: Solve for x
    x = 112,041,826,263.72/522,132.60
  6. Step 6: Final answer
    x = 214,585.00

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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.