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Finding the Fourth Proportional to 632,069.80, 946,722.30 and 490,719.40

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Solution

The fourth proportional to 632,069.80, 946,722.30 and 490,719.40 is: 735,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,069.80 : 946,722.30 = 490,719.40 : x
  2. Step 2: Convert to fraction form
    632,069.80/946,722.30 = 490,719.40/x
  3. Step 3: Cross multiply
    632,069.80x = 946,722.30 × 490,719.40
  4. Step 4: Simplify right side
    632,069.80x = 464,574,999,022.62
  5. Step 5: Solve for x
    x = 464,574,999,022.62/632,069.80
  6. Step 6: Final answer
    x = 735,005.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.