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Finding the Fourth Proportional to 373,803.96, 560,490.48 and 255,618.48

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Solution

The fourth proportional to 373,803.96, 560,490.48 and 255,618.48 is: 383,280.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,803.96 : 560,490.48 = 255,618.48 : x
  2. Step 2: Convert to fraction form
    373,803.96/560,490.48 = 255,618.48/x
  3. Step 3: Cross multiply
    373,803.96x = 560,490.48 × 255,618.48
  4. Step 4: Simplify right side
    373,803.96x = 143,271,724,552.07
  5. Step 5: Solve for x
    x = 143,271,724,552.07/373,803.96
  6. Step 6: Final answer
    x = 383,280.38

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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.