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Finding the Fourth Proportional to 410,860.10, 616,290.17 and 111,340.67

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Solution

The fourth proportional to 410,860.10, 616,290.17 and 111,340.67 is: 167,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,860.10 : 616,290.17 = 111,340.67 : x
  2. Step 2: Convert to fraction form
    410,860.10/616,290.17 = 111,340.67/x
  3. Step 3: Cross multiply
    410,860.10x = 616,290.17 × 111,340.67
  4. Step 4: Simplify right side
    410,860.10x = 68,618,156,804.06
  5. Step 5: Solve for x
    x = 68,618,156,804.06/410,860.10
  6. Step 6: Final answer
    x = 167,011.00

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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.