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Finding the Fourth Proportional to 366,812.20, 550,218.30 and 353,526.18

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Solution

The fourth proportional to 366,812.20, 550,218.30 and 353,526.18 is: 530,289.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,812.20 : 550,218.30 = 353,526.18 : x
  2. Step 2: Convert to fraction form
    366,812.20/550,218.30 = 353,526.18/x
  3. Step 3: Cross multiply
    366,812.20x = 550,218.30 × 353,526.18
  4. Step 4: Simplify right side
    366,812.20x = 194,516,573,765.09
  5. Step 5: Solve for x
    x = 194,516,573,765.09/366,812.20
  6. Step 6: Final answer
    x = 530,289.27

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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.