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Finding the Fourth Proportional to 471,812.40, 707,718.60 and 366,706.80

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Solution

The fourth proportional to 471,812.40, 707,718.60 and 366,706.80 is: 550,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,812.40 : 707,718.60 = 366,706.80 : x
  2. Step 2: Convert to fraction form
    471,812.40/707,718.60 = 366,706.80/x
  3. Step 3: Cross multiply
    471,812.40x = 707,718.60 × 366,706.80
  4. Step 4: Simplify right side
    471,812.40x = 259,525,223,106.48
  5. Step 5: Solve for x
    x = 259,525,223,106.48/471,812.40
  6. Step 6: Final answer
    x = 550,060.20

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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.