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Finding the Fourth Proportional to 581,033.50, 871,583.04 and 207,056.50

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Solution

The fourth proportional to 581,033.50, 871,583.04 and 207,056.50 is: 310,596.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,033.50 : 871,583.04 = 207,056.50 : x
  2. Step 2: Convert to fraction form
    581,033.50/871,583.04 = 207,056.50/x
  3. Step 3: Cross multiply
    581,033.50x = 871,583.04 × 207,056.50
  4. Step 4: Simplify right side
    581,033.50x = 180,466,933,721.76
  5. Step 5: Solve for x
    x = 180,466,933,721.76/581,033.50
  6. Step 6: Final answer
    x = 310,596.44

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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.