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Finding the Fourth Proportional to 562,028.76, 843,319.92 and 262,465.86

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Solution

The fourth proportional to 562,028.76, 843,319.92 and 262,465.86 is: 393,828.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,028.76 : 843,319.92 = 262,465.86 : x
  2. Step 2: Convert to fraction form
    562,028.76/843,319.92 = 262,465.86/x
  3. Step 3: Cross multiply
    562,028.76x = 843,319.92 × 262,465.86
  4. Step 4: Simplify right side
    562,028.76x = 221,342,688,057.93
  5. Step 5: Solve for x
    x = 221,342,688,057.93/562,028.76
  6. Step 6: Final answer
    x = 393,828.05

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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.