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Finding the Fourth Proportional to 499,984.64, 750,054.96 and 162,946.88

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Solution

The fourth proportional to 499,984.64, 750,054.96 and 162,946.88 is: 244,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,984.64 : 750,054.96 = 162,946.88 : x
  2. Step 2: Convert to fraction form
    499,984.64/750,054.96 = 162,946.88/x
  3. Step 3: Cross multiply
    499,984.64x = 750,054.96 × 162,946.88
  4. Step 4: Simplify right side
    499,984.64x = 122,219,115,560.53
  5. Step 5: Solve for x
    x = 122,219,115,560.53/499,984.64
  6. Step 6: Final answer
    x = 244,445.74

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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.