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Finding the Fourth Proportional to 601,443.51, 830,026.89 and 329,511.93

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Solution

The fourth proportional to 601,443.51, 830,026.89 and 329,511.93 is: 454,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,443.51 : 830,026.89 = 329,511.93 : x
  2. Step 2: Convert to fraction form
    601,443.51/830,026.89 = 329,511.93/x
  3. Step 3: Cross multiply
    601,443.51x = 830,026.89 × 329,511.93
  4. Step 4: Simplify right side
    601,443.51x = 273,503,762,475.80
  5. Step 5: Solve for x
    x = 273,503,762,475.80/601,443.51
  6. Step 6: Final answer
    x = 454,745.55

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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.