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Finding the Fourth Proportional to 467,653.12, 701,710.08 and 218,352.64

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Solution

The fourth proportional to 467,653.12, 701,710.08 and 218,352.64 is: 327,636.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,653.12 : 701,710.08 = 218,352.64 : x
  2. Step 2: Convert to fraction form
    467,653.12/701,710.08 = 218,352.64/x
  3. Step 3: Cross multiply
    467,653.12x = 701,710.08 × 218,352.64
  4. Step 4: Simplify right side
    467,653.12x = 153,220,248,482.61
  5. Step 5: Solve for x
    x = 153,220,248,482.61/467,653.12
  6. Step 6: Final answer
    x = 327,636.54

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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.