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Finding the Fourth Proportional to 492,089.80, 736,385.10 and 341,624.20

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Solution

The fourth proportional to 492,089.80, 736,385.10 and 341,624.20 is: 511,221.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,089.80 : 736,385.10 = 341,624.20 : x
  2. Step 2: Convert to fraction form
    492,089.80/736,385.10 = 341,624.20/x
  3. Step 3: Cross multiply
    492,089.80x = 736,385.10 × 341,624.20
  4. Step 4: Simplify right side
    492,089.80x = 251,566,970,679.42
  5. Step 5: Solve for x
    x = 251,566,970,679.42/492,089.80
  6. Step 6: Final answer
    x = 511,221.67

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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.