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Finding the Fourth Proportional to 601,604.88, 830,214.74 and 329,683.47

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Solution

The fourth proportional to 601,604.88, 830,214.74 and 329,683.47 is: 454,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,604.88 : 830,214.74 = 329,683.47 : x
  2. Step 2: Convert to fraction form
    601,604.88/830,214.74 = 329,683.47/x
  3. Step 3: Cross multiply
    601,604.88x = 830,214.74 × 329,683.47
  4. Step 4: Simplify right side
    601,604.88x = 273,708,078,365.72
  5. Step 5: Solve for x
    x = 273,708,078,365.72/601,604.88
  6. Step 6: Final answer
    x = 454,963.20

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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.