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Finding the Fourth Proportional to 531,627.34, 733,663.44 and 289,923.10

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Solution

The fourth proportional to 531,627.34, 733,663.44 and 289,923.10 is: 400,103.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,627.34 : 733,663.44 = 289,923.10 : x
  2. Step 2: Convert to fraction form
    531,627.34/733,663.44 = 289,923.10/x
  3. Step 3: Cross multiply
    531,627.34x = 733,663.44 × 289,923.10
  4. Step 4: Simplify right side
    531,627.34x = 212,705,978,881.46
  5. Step 5: Solve for x
    x = 212,705,978,881.46/531,627.34
  6. Step 6: Final answer
    x = 400,103.54

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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.