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Finding the Fourth Proportional to 500,660.42, 751,036.81 and 163,702.80

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Solution

The fourth proportional to 500,660.42, 751,036.81 and 163,702.80 is: 245,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,660.42 : 751,036.81 = 163,702.80 : x
  2. Step 2: Convert to fraction form
    500,660.42/751,036.81 = 163,702.80/x
  3. Step 3: Cross multiply
    500,660.42x = 751,036.81 × 163,702.80
  4. Step 4: Simplify right side
    500,660.42x = 122,946,827,881.55
  5. Step 5: Solve for x
    x = 122,946,827,881.55/500,660.42
  6. Step 6: Final answer
    x = 245,569.30

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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.