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Finding the Fourth Proportional to 357,665.20, 536,497.80 and 224,638.90

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Solution

The fourth proportional to 357,665.20, 536,497.80 and 224,638.90 is: 336,958.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,665.20 : 536,497.80 = 224,638.90 : x
  2. Step 2: Convert to fraction form
    357,665.20/536,497.80 = 224,638.90/x
  3. Step 3: Cross multiply
    357,665.20x = 536,497.80 × 224,638.90
  4. Step 4: Simplify right side
    357,665.20x = 120,518,275,644.42
  5. Step 5: Solve for x
    x = 120,518,275,644.42/357,665.20
  6. Step 6: Final answer
    x = 336,958.35

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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.