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Finding the Fourth Proportional to 476,341.16, 714,686.22 and 343,371.56

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Solution

The fourth proportional to 476,341.16, 714,686.22 and 343,371.56 is: 515,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,341.16 : 714,686.22 = 343,371.56 : x
  2. Step 2: Convert to fraction form
    476,341.16/714,686.22 = 343,371.56/x
  3. Step 3: Cross multiply
    476,341.16x = 714,686.22 × 343,371.56
  4. Step 4: Simplify right side
    476,341.16x = 245,402,922,271.90
  5. Step 5: Solve for x
    x = 245,402,922,271.90/476,341.16
  6. Step 6: Final answer
    x = 515,183.11

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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.