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Finding the Fourth Proportional to 410,955.60, 616,433.36 and 111,424.08

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Solution

The fourth proportional to 410,955.60, 616,433.36 and 111,424.08 is: 167,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,955.60 : 616,433.36 = 111,424.08 : x
  2. Step 2: Convert to fraction form
    410,955.60/616,433.36 = 111,424.08/x
  3. Step 3: Cross multiply
    410,955.60x = 616,433.36 × 111,424.08
  4. Step 4: Simplify right side
    410,955.60x = 68,685,520,019.31
  5. Step 5: Solve for x
    x = 68,685,520,019.31/410,955.60
  6. Step 6: Final answer
    x = 167,136.11

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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.