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Finding the Fourth Proportional to 601,554.39, 830,145.23 and 329,620.06

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Solution

The fourth proportional to 601,554.39, 830,145.23 and 329,620.06 is: 454,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,554.39 : 830,145.23 = 329,620.06 : x
  2. Step 2: Convert to fraction form
    601,554.39/830,145.23 = 329,620.06/x
  3. Step 3: Cross multiply
    601,554.39x = 830,145.23 × 329,620.06
  4. Step 4: Simplify right side
    601,554.39x = 273,632,520,521.31
  5. Step 5: Solve for x
    x = 273,632,520,521.31/601,554.39
  6. Step 6: Final answer
    x = 454,875.78

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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.