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Finding the Fourth Proportional to 648,714.36, 973,069.22 and 175,399.76

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Solution

The fourth proportional to 648,714.36, 973,069.22 and 175,399.76 is: 263,099.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,714.36 : 973,069.22 = 175,399.76 : x
  2. Step 2: Convert to fraction form
    648,714.36/973,069.22 = 175,399.76/x
  3. Step 3: Cross multiply
    648,714.36x = 973,069.22 × 175,399.76
  4. Step 4: Simplify right side
    648,714.36x = 170,676,107,651.39
  5. Step 5: Solve for x
    x = 170,676,107,651.39/648,714.36
  6. Step 6: Final answer
    x = 263,099.01

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1.5x scale

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.