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Finding the Fourth Proportional to 448,107, 618,389.58 and 246,898.68

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Solution

The fourth proportional to 448,107, 618,389.58 and 246,898.68 is: 340,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,107 : 618,389.58 = 246,898.68 : x
  2. Step 2: Convert to fraction form
    448,107/618,389.58 = 246,898.68/x
  3. Step 3: Cross multiply
    448,107x = 618,389.58 × 246,898.68
  4. Step 4: Simplify right side
    448,107x = 152,679,571,027.75
  5. Step 5: Solve for x
    x = 152,679,571,027.75/448,107
  6. Step 6: Final answer
    x = 340,721.24

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1.5x scale

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.