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Finding the Fourth Proportional to 496,783.70, 744,811.05 and 197,116.10

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Solution

The fourth proportional to 496,783.70, 744,811.05 and 197,116.10 is: 295,529.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,783.70 : 744,811.05 = 197,116.10 : x
  2. Step 2: Convert to fraction form
    496,783.70/744,811.05 = 197,116.10/x
  3. Step 3: Cross multiply
    496,783.70x = 744,811.05 × 197,116.10
  4. Step 4: Simplify right side
    496,783.70x = 146,814,249,412.91
  5. Step 5: Solve for x
    x = 146,814,249,412.91/496,783.70
  6. Step 6: Final answer
    x = 295,529.52

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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.