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Finding the Fourth Proportional to 370,315.10, 555,472.65 and 341,446.70

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Solution

The fourth proportional to 370,315.10, 555,472.65 and 341,446.70 is: 512,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,315.10 : 555,472.65 = 341,446.70 : x
  2. Step 2: Convert to fraction form
    370,315.10/555,472.65 = 341,446.70/x
  3. Step 3: Cross multiply
    370,315.10x = 555,472.65 × 341,446.70
  4. Step 4: Simplify right side
    370,315.10x = 189,664,303,282.76
  5. Step 5: Solve for x
    x = 189,664,303,282.76/370,315.10
  6. Step 6: Final answer
    x = 512,170.05

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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.