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Finding the Fourth Proportional to 366,946.64, 550,420.56 and 100,710.80

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Solution

The fourth proportional to 366,946.64, 550,420.56 and 100,710.80 is: 151,066.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,946.64 : 550,420.56 = 100,710.80 : x
  2. Step 2: Convert to fraction form
    366,946.64/550,420.56 = 100,710.80/x
  3. Step 3: Cross multiply
    366,946.64x = 550,420.56 × 100,710.80
  4. Step 4: Simplify right side
    366,946.64x = 55,433,294,934.05
  5. Step 5: Solve for x
    x = 55,433,294,934.05/366,946.64
  6. Step 6: Final answer
    x = 151,066.36

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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.