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Finding the Fourth Proportional to 456,818.10, 630,410.41 and 247,265.93

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Solution

The fourth proportional to 456,818.10, 630,410.41 and 247,265.93 is: 341,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,818.10 : 630,410.41 = 247,265.93 : x
  2. Step 2: Convert to fraction form
    456,818.10/630,410.41 = 247,265.93/x
  3. Step 3: Cross multiply
    456,818.10x = 630,410.41 × 247,265.93
  4. Step 4: Simplify right side
    456,818.10x = 155,879,018,195.44
  5. Step 5: Solve for x
    x = 155,879,018,195.44/456,818.10
  6. Step 6: Final answer
    x = 341,227.77

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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.