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Finding the Fourth Proportional to 385,307.84, 577,903.44 and 104,846.96

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Solution

The fourth proportional to 385,307.84, 577,903.44 and 104,846.96 is: 157,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,307.84 : 577,903.44 = 104,846.96 : x
  2. Step 2: Convert to fraction form
    385,307.84/577,903.44 = 104,846.96/x
  3. Step 3: Cross multiply
    385,307.84x = 577,903.44 × 104,846.96
  4. Step 4: Simplify right side
    385,307.84x = 60,591,418,857.54
  5. Step 5: Solve for x
    x = 60,591,418,857.54/385,307.84
  6. Step 6: Final answer
    x = 157,254.57

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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.