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Finding the Fourth Proportional to 579,820.06, 869,812.12 and 180,501.14

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Solution

The fourth proportional to 579,820.06, 869,812.12 and 180,501.14 is: 270,777.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,820.06 : 869,812.12 = 180,501.14 : x
  2. Step 2: Convert to fraction form
    579,820.06/869,812.12 = 180,501.14/x
  3. Step 3: Cross multiply
    579,820.06x = 869,812.12 × 180,501.14
  4. Step 4: Simplify right side
    579,820.06x = 157,002,079,245.82
  5. Step 5: Solve for x
    x = 157,002,079,245.82/579,820.06
  6. Step 6: Final answer
    x = 270,777.25

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1.5x scale

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.