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Finding the Fourth Proportional to 370,271.80, 555,348.30 and 133,492.60

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Solution

The fourth proportional to 370,271.80, 555,348.30 and 133,492.60 is: 200,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,271.80 : 555,348.30 = 133,492.60 : x
  2. Step 2: Convert to fraction form
    370,271.80/555,348.30 = 133,492.60/x
  3. Step 3: Cross multiply
    370,271.80x = 555,348.30 × 133,492.60
  4. Step 4: Simplify right side
    370,271.80x = 74,134,888,472.58
  5. Step 5: Solve for x
    x = 74,134,888,472.58/370,271.80
  6. Step 6: Final answer
    x = 200,217.48

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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.