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Finding the Fourth Proportional to 598,466.48, 897,699.60 and 256,835.79

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Solution

The fourth proportional to 598,466.48, 897,699.60 and 256,835.79 is: 385,253.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,466.48 : 897,699.60 = 256,835.79 : x
  2. Step 2: Convert to fraction form
    598,466.48/897,699.60 = 256,835.79/x
  3. Step 3: Cross multiply
    598,466.48x = 897,699.60 × 256,835.79
  4. Step 4: Simplify right side
    598,466.48x = 230,561,385,948.68
  5. Step 5: Solve for x
    x = 230,561,385,948.68/598,466.48
  6. Step 6: Final answer
    x = 385,253.64

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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.