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Finding the Fourth Proportional to 464,429.06, 640,919.43 and 260,525.30

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Solution

The fourth proportional to 464,429.06, 640,919.43 and 260,525.30 is: 359,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,429.06 : 640,919.43 = 260,525.30 : x
  2. Step 2: Convert to fraction form
    464,429.06/640,919.43 = 260,525.30/x
  3. Step 3: Cross multiply
    464,429.06x = 640,919.43 × 260,525.30
  4. Step 4: Simplify right side
    464,429.06x = 166,975,726,776.58
  5. Step 5: Solve for x
    x = 166,975,726,776.58/464,429.06
  6. Step 6: Final answer
    x = 359,529.02

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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.