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Finding the Fourth Proportional to 562,751.28, 776,596.41 and 308,102.40

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Solution

The fourth proportional to 562,751.28, 776,596.41 and 308,102.40 is: 425,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,751.28 : 776,596.41 = 308,102.40 : x
  2. Step 2: Convert to fraction form
    562,751.28/776,596.41 = 308,102.40/x
  3. Step 3: Cross multiply
    562,751.28x = 776,596.41 × 308,102.40
  4. Step 4: Simplify right side
    562,751.28x = 239,271,217,752.38
  5. Step 5: Solve for x
    x = 239,271,217,752.38/562,751.28
  6. Step 6: Final answer
    x = 425,181.12

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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.