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Finding the Fourth Proportional to 255,798.47, 383,329.87 and 175,926.62

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Solution

The fourth proportional to 255,798.47, 383,329.87 and 175,926.62 is: 263,636.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,798.47 : 383,329.87 = 175,926.62 : x
  2. Step 2: Convert to fraction form
    255,798.47/383,329.87 = 175,926.62/x
  3. Step 3: Cross multiply
    255,798.47x = 383,329.87 × 175,926.62
  4. Step 4: Simplify right side
    255,798.47x = 67,437,927,494.51
  5. Step 5: Solve for x
    x = 67,437,927,494.51/255,798.47
  6. Step 6: Final answer
    x = 263,636.95

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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.