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Finding the Fourth Proportional to 471,740.58, 707,020.18 and 371,504.90

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Solution

The fourth proportional to 471,740.58, 707,020.18 and 371,504.90 is: 556,792.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,740.58 : 707,020.18 = 371,504.90 : x
  2. Step 2: Convert to fraction form
    471,740.58/707,020.18 = 371,504.90/x
  3. Step 3: Cross multiply
    471,740.58x = 707,020.18 × 371,504.90
  4. Step 4: Simplify right side
    471,740.58x = 262,661,462,107.67
  5. Step 5: Solve for x
    x = 262,661,462,107.67/471,740.58
  6. Step 6: Final answer
    x = 556,792.17

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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.