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Finding the Fourth Proportional to 631,646.31, 946,573.80 and 488,826.75

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Solution

The fourth proportional to 631,646.31, 946,573.80 and 488,826.75 is: 732,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,646.31 : 946,573.80 = 488,826.75 : x
  2. Step 2: Convert to fraction form
    631,646.31/946,573.80 = 488,826.75/x
  3. Step 3: Cross multiply
    631,646.31x = 946,573.80 × 488,826.75
  4. Step 4: Simplify right side
    631,646.31x = 462,710,594,289.15
  5. Step 5: Solve for x
    x = 462,710,594,289.15/631,646.31
  6. Step 6: Final answer
    x = 732,546.98

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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.