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Finding the Fourth Proportional to 469,816.04, 648,346.55 and 254,956.10

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Solution

The fourth proportional to 469,816.04, 648,346.55 and 254,956.10 is: 351,839.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,816.04 : 648,346.55 = 254,956.10 : x
  2. Step 2: Convert to fraction form
    469,816.04/648,346.55 = 254,956.10/x
  3. Step 3: Cross multiply
    469,816.04x = 648,346.55 × 254,956.10
  4. Step 4: Simplify right side
    469,816.04x = 165,299,903,319.94
  5. Step 5: Solve for x
    x = 165,299,903,319.94/469,816.04
  6. Step 6: Final answer
    x = 351,839.64

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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.