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Finding the Fourth Proportional to 429,818.40, 593,114.40 and 268,563.60

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Solution

The fourth proportional to 429,818.40, 593,114.40 and 268,563.60 is: 370,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,818.40 : 593,114.40 = 268,563.60 : x
  2. Step 2: Convert to fraction form
    429,818.40/593,114.40 = 268,563.60/x
  3. Step 3: Cross multiply
    429,818.40x = 593,114.40 × 268,563.60
  4. Step 4: Simplify right side
    429,818.40x = 159,288,938,475.84
  5. Step 5: Solve for x
    x = 159,288,938,475.84/429,818.40
  6. Step 6: Final answer
    x = 370,595.90

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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.