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Finding the Fourth Proportional to 318,454.93, 438,957.79 and 241,724.04

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Solution

The fourth proportional to 318,454.93, 438,957.79 and 241,724.04 is: 333,192.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,454.93 : 438,957.79 = 241,724.04 : x
  2. Step 2: Convert to fraction form
    318,454.93/438,957.79 = 241,724.04/x
  3. Step 3: Cross multiply
    318,454.93x = 438,957.79 × 241,724.04
  4. Step 4: Simplify right side
    318,454.93x = 106,106,650,388.27
  5. Step 5: Solve for x
    x = 106,106,650,388.27/318,454.93
  6. Step 6: Final answer
    x = 333,192.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.