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Finding the Fourth Proportional to 664,653.03, 917,216.51 and 362,847.03

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Solution

The fourth proportional to 664,653.03, 917,216.51 and 362,847.03 is: 500,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,653.03 : 917,216.51 = 362,847.03 : x
  2. Step 2: Convert to fraction form
    664,653.03/917,216.51 = 362,847.03/x
  3. Step 3: Cross multiply
    664,653.03x = 917,216.51 × 362,847.03
  4. Step 4: Simplify right side
    664,653.03x = 332,809,283,307.68
  5. Step 5: Solve for x
    x = 332,809,283,307.68/664,653.03
  6. Step 6: Final answer
    x = 500,726.35

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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.