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Finding the Fourth Proportional to 374,953.32, 562,179.69 and 206,554.32

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Solution

The fourth proportional to 374,953.32, 562,179.69 and 206,554.32 is: 309,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,953.32 : 562,179.69 = 206,554.32 : x
  2. Step 2: Convert to fraction form
    374,953.32/562,179.69 = 206,554.32/x
  3. Step 3: Cross multiply
    374,953.32x = 562,179.69 × 206,554.32
  4. Step 4: Simplify right side
    374,953.32x = 116,120,643,585.76
  5. Step 5: Solve for x
    x = 116,120,643,585.76/374,953.32
  6. Step 6: Final answer
    x = 309,693.60

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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.