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Finding the Fourth Proportional to 531,244.44, 733,095.63 and 289,521.81

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Solution

The fourth proportional to 531,244.44, 733,095.63 and 289,521.81 is: 399,528.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,244.44 : 733,095.63 = 289,521.81 : x
  2. Step 2: Convert to fraction form
    531,244.44/733,095.63 = 289,521.81/x
  3. Step 3: Cross multiply
    531,244.44x = 733,095.63 × 289,521.81
  4. Step 4: Simplify right side
    531,244.44x = 212,247,173,700.69
  5. Step 5: Solve for x
    x = 212,247,173,700.69/531,244.44
  6. Step 6: Final answer
    x = 399,528.27

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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.