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Finding the Fourth Proportional to 483,509.70, 725,009.40 and 163,551.60

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Solution

The fourth proportional to 483,509.70, 725,009.40 and 163,551.60 is: 245,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,509.70 : 725,009.40 = 163,551.60 : x
  2. Step 2: Convert to fraction form
    483,509.70/725,009.40 = 163,551.60/x
  3. Step 3: Cross multiply
    483,509.70x = 725,009.40 × 163,551.60
  4. Step 4: Simplify right side
    483,509.70x = 118,576,447,385.04
  5. Step 5: Solve for x
    x = 118,576,447,385.04/483,509.70
  6. Step 6: Final answer
    x = 245,241.09

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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.