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Finding the Fourth Proportional to 531,561.10, 733,527.33 and 289,841.71

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Solution

The fourth proportional to 531,561.10, 733,527.33 and 289,841.71 is: 399,966.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,561.10 : 733,527.33 = 289,841.71 : x
  2. Step 2: Convert to fraction form
    531,561.10/733,527.33 = 289,841.71/x
  3. Step 3: Cross multiply
    531,561.10x = 733,527.33 × 289,841.71
  4. Step 4: Simplify right side
    531,561.10x = 212,606,815,658.93
  5. Step 5: Solve for x
    x = 212,606,815,658.93/531,561.10
  6. Step 6: Final answer
    x = 399,966.84

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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.