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Finding the Fourth Proportional to 581,014.90, 871,572.58 and 160,290.77

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Solution

The fourth proportional to 581,014.90, 871,572.58 and 160,290.77 is: 240,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,014.90 : 871,572.58 = 160,290.77 : x
  2. Step 2: Convert to fraction form
    581,014.90/871,572.58 = 160,290.77/x
  3. Step 3: Cross multiply
    581,014.90x = 871,572.58 × 160,290.77
  4. Step 4: Simplify right side
    581,014.90x = 139,705,043,005.21
  5. Step 5: Solve for x
    x = 139,705,043,005.21/581,014.90
  6. Step 6: Final answer
    x = 240,450.02

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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.