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Finding the Fourth Proportional to 468,156.88, 646,056.47 and 253,296.94

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Solution

The fourth proportional to 468,156.88, 646,056.47 and 253,296.94 is: 349,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,156.88 : 646,056.47 = 253,296.94 : x
  2. Step 2: Convert to fraction form
    468,156.88/646,056.47 = 253,296.94/x
  3. Step 3: Cross multiply
    468,156.88x = 646,056.47 × 253,296.94
  4. Step 4: Simplify right side
    468,156.88x = 163,644,125,722.86
  5. Step 5: Solve for x
    x = 163,644,125,722.86/468,156.88
  6. Step 6: Final answer
    x = 349,549.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.