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Finding the Fourth Proportional to 569,643.17, 854,885.27 and 270,124.74

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Solution

The fourth proportional to 569,643.17, 854,885.27 and 270,124.74 is: 405,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,643.17 : 854,885.27 = 270,124.74 : x
  2. Step 2: Convert to fraction form
    569,643.17/854,885.27 = 270,124.74/x
  3. Step 3: Cross multiply
    569,643.17x = 854,885.27 × 270,124.74
  4. Step 4: Simplify right side
    569,643.17x = 230,925,661,963.89
  5. Step 5: Solve for x
    x = 230,925,661,963.89/569,643.17
  6. Step 6: Final answer
    x = 405,386.52

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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.