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Finding the Fourth Proportional to 580,709.58, 871,068.69 and 160,008.54

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Solution

The fourth proportional to 580,709.58, 871,068.69 and 160,008.54 is: 240,014.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,709.58 : 871,068.69 = 160,008.54 : x
  2. Step 2: Convert to fraction form
    580,709.58/871,068.69 = 160,008.54/x
  3. Step 3: Cross multiply
    580,709.58x = 871,068.69 × 160,008.54
  4. Step 4: Simplify right side
    580,709.58x = 139,378,429,326.61
  5. Step 5: Solve for x
    x = 139,378,429,326.61/580,709.58
  6. Step 6: Final answer
    x = 240,014.00

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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.