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Finding the Fourth Proportional to 357,267.62, 535,401.03 and 268,464.50

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Solution

The fourth proportional to 357,267.62, 535,401.03 and 268,464.50 is: 402,320.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,267.62 : 535,401.03 = 268,464.50 : x
  2. Step 2: Convert to fraction form
    357,267.62/535,401.03 = 268,464.50/x
  3. Step 3: Cross multiply
    357,267.62x = 535,401.03 × 268,464.50
  4. Step 4: Simplify right side
    357,267.62x = 143,736,169,818.44
  5. Step 5: Solve for x
    x = 143,736,169,818.44/357,267.62
  6. Step 6: Final answer
    x = 402,320.73

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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.