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Finding the Fourth Proportional to 469,797.61, 648,322.46 and 254,937.72

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Solution

The fourth proportional to 469,797.61, 648,322.46 and 254,937.72 is: 351,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,797.61 : 648,322.46 = 254,937.72 : x
  2. Step 2: Convert to fraction form
    469,797.61/648,322.46 = 254,937.72/x
  3. Step 3: Cross multiply
    469,797.61x = 648,322.46 × 254,937.72
  4. Step 4: Simplify right side
    469,797.61x = 165,281,849,777.19
  5. Step 5: Solve for x
    x = 165,281,849,777.19/469,797.61
  6. Step 6: Final answer
    x = 351,815.01

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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.