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Finding the Fourth Proportional to 429,352.62, 647,115.05 and 370,096.31

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Solution

The fourth proportional to 429,352.62, 647,115.05 and 370,096.31 is: 557,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,352.62 : 647,115.05 = 370,096.31 : x
  2. Step 2: Convert to fraction form
    429,352.62/647,115.05 = 370,096.31/x
  3. Step 3: Cross multiply
    429,352.62x = 647,115.05 × 370,096.31
  4. Step 4: Simplify right side
    429,352.62x = 239,494,894,693.49
  5. Step 5: Solve for x
    x = 239,494,894,693.49/429,352.62
  6. Step 6: Final answer
    x = 557,804.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.