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Finding the Fourth Proportional to 601,556.84, 830,112.66 and 329,570.60

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Solution

The fourth proportional to 601,556.84, 830,112.66 and 329,570.60 is: 454,787.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,556.84 : 830,112.66 = 329,570.60 : x
  2. Step 2: Convert to fraction form
    601,556.84/830,112.66 = 329,570.60/x
  3. Step 3: Cross multiply
    601,556.84x = 830,112.66 × 329,570.60
  4. Step 4: Simplify right side
    601,556.84x = 273,580,727,423.80
  5. Step 5: Solve for x
    x = 273,580,727,423.80/601,556.84
  6. Step 6: Final answer
    x = 454,787.83

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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.