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Finding the Fourth Proportional to 577,236.64, 865,941.36 and 203,193.76

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Solution

The fourth proportional to 577,236.64, 865,941.36 and 203,193.76 is: 304,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,236.64 : 865,941.36 = 203,193.76 : x
  2. Step 2: Convert to fraction form
    577,236.64/865,941.36 = 203,193.76/x
  3. Step 3: Cross multiply
    577,236.64x = 865,941.36 × 203,193.76
  4. Step 4: Simplify right side
    577,236.64x = 175,953,880,877.91
  5. Step 5: Solve for x
    x = 175,953,880,877.91/577,236.64
  6. Step 6: Final answer
    x = 304,821.05

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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.