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Finding the Fourth Proportional to 491,162.20, 734,900.10 and 446,925.40

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Solution

The fourth proportional to 491,162.20, 734,900.10 and 446,925.40 is: 668,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,162.20 : 734,900.10 = 446,925.40 : x
  2. Step 2: Convert to fraction form
    491,162.20/734,900.10 = 446,925.40/x
  3. Step 3: Cross multiply
    491,162.20x = 734,900.10 × 446,925.40
  4. Step 4: Simplify right side
    491,162.20x = 328,445,521,152.54
  5. Step 5: Solve for x
    x = 328,445,521,152.54/491,162.20
  6. Step 6: Final answer
    x = 668,710.91

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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.