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Finding the Fourth Proportional to 322,152.40, 483,374.40 and 153,607.60

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Solution

The fourth proportional to 322,152.40, 483,374.40 and 153,607.60 is: 230,480.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,152.40 : 483,374.40 = 153,607.60 : x
  2. Step 2: Convert to fraction form
    322,152.40/483,374.40 = 153,607.60/x
  3. Step 3: Cross multiply
    322,152.40x = 483,374.40 × 153,607.60
  4. Step 4: Simplify right side
    322,152.40x = 74,249,981,485.44
  5. Step 5: Solve for x
    x = 74,249,981,485.44/322,152.40
  6. Step 6: Final answer
    x = 230,480.92

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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.