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Finding the Fourth Proportional to 329,647.95, 494,554.83 and 152,280.45

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Solution

The fourth proportional to 329,647.95, 494,554.83 and 152,280.45 is: 228,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,647.95 : 494,554.83 = 152,280.45 : x
  2. Step 2: Convert to fraction form
    329,647.95/494,554.83 = 152,280.45/x
  3. Step 3: Cross multiply
    329,647.95x = 494,554.83 × 152,280.45
  4. Step 4: Simplify right side
    329,647.95x = 75,311,032,062.07
  5. Step 5: Solve for x
    x = 75,311,032,062.07/329,647.95
  6. Step 6: Final answer
    x = 228,458.97

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1.5x scale

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.