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Finding the Fourth Proportional to 360,014.10, 540,021.15 and 353,793.30

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Solution

The fourth proportional to 360,014.10, 540,021.15 and 353,793.30 is: 530,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,014.10 : 540,021.15 = 353,793.30 : x
  2. Step 2: Convert to fraction form
    360,014.10/540,021.15 = 353,793.30/x
  3. Step 3: Cross multiply
    360,014.10x = 540,021.15 × 353,793.30
  4. Step 4: Simplify right side
    360,014.10x = 191,055,864,728.30
  5. Step 5: Solve for x
    x = 191,055,864,728.30/360,014.10
  6. Step 6: Final answer
    x = 530,689.95

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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.