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Finding the Fourth Proportional to 463,968.52, 640,321.50 and 260,054.08

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Solution

The fourth proportional to 463,968.52, 640,321.50 and 260,054.08 is: 358,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,968.52 : 640,321.50 = 260,054.08 : x
  2. Step 2: Convert to fraction form
    463,968.52/640,321.50 = 260,054.08/x
  3. Step 3: Cross multiply
    463,968.52x = 640,321.50 × 260,054.08
  4. Step 4: Simplify right side
    463,968.52x = 166,518,218,586.72
  5. Step 5: Solve for x
    x = 166,518,218,586.72/463,968.52
  6. Step 6: Final answer
    x = 358,899.82

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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.