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Finding the Fourth Proportional to 631,644.31, 946,570.80 and 488,824.75

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Solution

The fourth proportional to 631,644.31, 946,570.80 and 488,824.75 is: 732,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,644.31 : 946,570.80 = 488,824.75 : x
  2. Step 2: Convert to fraction form
    631,644.31/946,570.80 = 488,824.75/x
  3. Step 3: Cross multiply
    631,644.31x = 946,570.80 × 488,824.75
  4. Step 4: Simplify right side
    631,644.31x = 462,707,234,667.30
  5. Step 5: Solve for x
    x = 462,707,234,667.30/631,644.31
  6. Step 6: Final answer
    x = 732,543.98

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1.5x scale

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.