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Finding the Fourth Proportional to 562,567.20, 776,259.25 and 341,689.62

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Solution

The fourth proportional to 562,567.20, 776,259.25 and 341,689.62 is: 471,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,567.20 : 776,259.25 = 341,689.62 : x
  2. Step 2: Convert to fraction form
    562,567.20/776,259.25 = 341,689.62/x
  3. Step 3: Cross multiply
    562,567.20x = 776,259.25 × 341,689.62
  4. Step 4: Simplify right side
    562,567.20x = 265,239,728,153.99
  5. Step 5: Solve for x
    x = 265,239,728,153.99/562,567.20
  6. Step 6: Final answer
    x = 471,480.97

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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.