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Finding the Fourth Proportional to 456,822.10, 630,415.94 and 247,269.94

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Solution

The fourth proportional to 456,822.10, 630,415.94 and 247,269.94 is: 341,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,822.10 : 630,415.94 = 247,269.94 : x
  2. Step 2: Convert to fraction form
    456,822.10/630,415.94 = 247,269.94/x
  3. Step 3: Cross multiply
    456,822.10x = 630,415.94 × 247,269.94
  4. Step 4: Simplify right side
    456,822.10x = 155,882,911,658.84
  5. Step 5: Solve for x
    x = 155,882,911,658.84/456,822.10
  6. Step 6: Final answer
    x = 341,233.30

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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.