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Finding the Fourth Proportional to 248,881.80, 373,322.70 and 235,403.40

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Solution

The fourth proportional to 248,881.80, 373,322.70 and 235,403.40 is: 353,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,881.80 : 373,322.70 = 235,403.40 : x
  2. Step 2: Convert to fraction form
    248,881.80/373,322.70 = 235,403.40/x
  3. Step 3: Cross multiply
    248,881.80x = 373,322.70 × 235,403.40
  4. Step 4: Simplify right side
    248,881.80x = 87,881,432,877.18
  5. Step 5: Solve for x
    x = 87,881,432,877.18/248,881.80
  6. Step 6: Final answer
    x = 353,105.10

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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.