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Finding the Fourth Proportional to 426,056.34, 587,759.60 and 253,877.68

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Solution

The fourth proportional to 426,056.34, 587,759.60 and 253,877.68 is: 350,233.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,056.34 : 587,759.60 = 253,877.68 : x
  2. Step 2: Convert to fraction form
    426,056.34/587,759.60 = 253,877.68/x
  3. Step 3: Cross multiply
    426,056.34x = 587,759.60 × 253,877.68
  4. Step 4: Simplify right side
    426,056.34x = 149,219,043,645.73
  5. Step 5: Solve for x
    x = 149,219,043,645.73/426,056.34
  6. Step 6: Final answer
    x = 350,233.13

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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.