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Finding the Fourth Proportional to 357,666.20, 536,499.30 and 224,639.90

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Solution

The fourth proportional to 357,666.20, 536,499.30 and 224,639.90 is: 336,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,666.20 : 536,499.30 = 224,639.90 : x
  2. Step 2: Convert to fraction form
    357,666.20/536,499.30 = 224,639.90/x
  3. Step 3: Cross multiply
    357,666.20x = 536,499.30 × 224,639.90
  4. Step 4: Simplify right side
    357,666.20x = 120,519,149,102.07
  5. Step 5: Solve for x
    x = 120,519,149,102.07/357,666.20
  6. Step 6: Final answer
    x = 336,959.85

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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.