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Finding the Fourth Proportional to 248,925.80, 373,388.70 and 154,231.40

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Solution

The fourth proportional to 248,925.80, 373,388.70 and 154,231.40 is: 231,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,925.80 : 373,388.70 = 154,231.40 : x
  2. Step 2: Convert to fraction form
    248,925.80/373,388.70 = 154,231.40/x
  3. Step 3: Cross multiply
    248,925.80x = 373,388.70 × 154,231.40
  4. Step 4: Simplify right side
    248,925.80x = 57,588,261,945.18
  5. Step 5: Solve for x
    x = 57,588,261,945.18/248,925.80
  6. Step 6: Final answer
    x = 231,347.10

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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.