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Finding the Fourth Proportional to 370,705.38, 555,423.38 and 202,343.92

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Solution

The fourth proportional to 370,705.38, 555,423.38 and 202,343.92 is: 303,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,705.38 : 555,423.38 = 202,343.92 : x
  2. Step 2: Convert to fraction form
    370,705.38/555,423.38 = 202,343.92/x
  3. Step 3: Cross multiply
    370,705.38x = 555,423.38 × 202,343.92
  4. Step 4: Simplify right side
    370,705.38x = 112,386,543,968.85
  5. Step 5: Solve for x
    x = 112,386,543,968.85/370,705.38
  6. Step 6: Final answer
    x = 303,169.44

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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.