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Finding the Fourth Proportional to 358,043.93, 537,065.90 and 170,486.81

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Solution

The fourth proportional to 358,043.93, 537,065.90 and 170,486.81 is: 255,730.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,043.93 : 537,065.90 = 170,486.81 : x
  2. Step 2: Convert to fraction form
    358,043.93/537,065.90 = 170,486.81/x
  3. Step 3: Cross multiply
    358,043.93x = 537,065.90 × 170,486.81
  4. Step 4: Simplify right side
    358,043.93x = 91,562,651,198.35
  5. Step 5: Solve for x
    x = 91,562,651,198.35/358,043.93
  6. Step 6: Final answer
    x = 255,730.22

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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.