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Finding the Fourth Proportional to 455,925.92, 683,328.29 and 255,825.95

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Solution

The fourth proportional to 455,925.92, 683,328.29 and 255,825.95 is: 383,424.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,925.92 : 683,328.29 = 255,825.95 : x
  2. Step 2: Convert to fraction form
    455,925.92/683,328.29 = 255,825.95/x
  3. Step 3: Cross multiply
    455,925.92x = 683,328.29 × 255,825.95
  4. Step 4: Simplify right side
    455,925.92x = 174,813,104,255.35
  5. Step 5: Solve for x
    x = 174,813,104,255.35/455,925.92
  6. Step 6: Final answer
    x = 383,424.36

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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.