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Finding the Fourth Proportional to 581,027.50, 871,574.06 and 207,050.50

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Solution

The fourth proportional to 581,027.50, 871,574.06 and 207,050.50 is: 310,587.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,027.50 : 871,574.06 = 207,050.50 : x
  2. Step 2: Convert to fraction form
    581,027.50/871,574.06 = 207,050.50/x
  3. Step 3: Cross multiply
    581,027.50x = 871,574.06 × 207,050.50
  4. Step 4: Simplify right side
    581,027.50x = 180,459,844,910.03
  5. Step 5: Solve for x
    x = 180,459,844,910.03/581,027.50
  6. Step 6: Final answer
    x = 310,587.44

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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.