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Finding the Fourth Proportional to 531,303.90, 733,192.92 and 289,585.73

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Solution

The fourth proportional to 531,303.90, 733,192.92 and 289,585.73 is: 399,624.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,303.90 : 733,192.92 = 289,585.73 : x
  2. Step 2: Convert to fraction form
    531,303.90/733,192.92 = 289,585.73/x
  3. Step 3: Cross multiply
    531,303.90x = 733,192.92 × 289,585.73
  4. Step 4: Simplify right side
    531,303.90x = 212,322,203,303.07
  5. Step 5: Solve for x
    x = 212,322,203,303.07/531,303.90
  6. Step 6: Final answer
    x = 399,624.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.