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Finding the Fourth Proportional to 522,586.70, 783,957.98 and 185,599.05

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Solution

The fourth proportional to 522,586.70, 783,957.98 and 185,599.05 is: 278,426.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,586.70 : 783,957.98 = 185,599.05 : x
  2. Step 2: Convert to fraction form
    522,586.70/783,957.98 = 185,599.05/x
  3. Step 3: Cross multiply
    522,586.70x = 783,957.98 × 185,599.05
  4. Step 4: Simplify right side
    522,586.70x = 145,501,852,808.08
  5. Step 5: Solve for x
    x = 145,501,852,808.08/522,586.70
  6. Step 6: Final answer
    x = 278,426.24

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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.