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Finding the Fourth Proportional to 332,853.60, 499,280.40 and 122,642.40

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Solution

The fourth proportional to 332,853.60, 499,280.40 and 122,642.40 is: 183,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,853.60 : 499,280.40 = 122,642.40 : x
  2. Step 2: Convert to fraction form
    332,853.60/499,280.40 = 122,642.40/x
  3. Step 3: Cross multiply
    332,853.60x = 499,280.40 × 122,642.40
  4. Step 4: Simplify right side
    332,853.60x = 61,232,946,528.96
  5. Step 5: Solve for x
    x = 61,232,946,528.96/332,853.60
  6. Step 6: Final answer
    x = 183,963.60

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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.