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Finding the Fourth Proportional to 417,595.88, 576,529.80 and 274,602.53

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Solution

The fourth proportional to 417,595.88, 576,529.80 and 274,602.53 is: 379,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,595.88 : 576,529.80 = 274,602.53 : x
  2. Step 2: Convert to fraction form
    417,595.88/576,529.80 = 274,602.53/x
  3. Step 3: Cross multiply
    417,595.88x = 576,529.80 × 274,602.53
  4. Step 4: Simplify right side
    417,595.88x = 158,316,541,700.39
  5. Step 5: Solve for x
    x = 158,316,541,700.39/417,595.88
  6. Step 6: Final answer
    x = 379,114.23

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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.