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Finding the Fourth Proportional to 603,605.51, 832,975.34 and 331,690.94

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Solution

The fourth proportional to 603,605.51, 832,975.34 and 331,690.94 is: 457,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,605.51 : 832,975.34 = 331,690.94 : x
  2. Step 2: Convert to fraction form
    603,605.51/832,975.34 = 331,690.94/x
  3. Step 3: Cross multiply
    603,605.51x = 832,975.34 × 331,690.94
  4. Step 4: Simplify right side
    603,605.51x = 276,290,370,185.77
  5. Step 5: Solve for x
    x = 276,290,370,185.77/603,605.51
  6. Step 6: Final answer
    x = 457,733.35

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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.