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Finding the Fourth Proportional to 579,818.06, 869,809.12 and 180,499.14

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Solution

The fourth proportional to 579,818.06, 869,809.12 and 180,499.14 is: 270,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,818.06 : 869,809.12 = 180,499.14 : x
  2. Step 2: Convert to fraction form
    579,818.06/869,809.12 = 180,499.14/x
  3. Step 3: Cross multiply
    579,818.06x = 869,809.12 × 180,499.14
  4. Step 4: Simplify right side
    579,818.06x = 156,999,798,124.16
  5. Step 5: Solve for x
    x = 156,999,798,124.16/579,818.06
  6. Step 6: Final answer
    x = 270,774.25

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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.