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Finding the Fourth Proportional to 435,823.54, 601,330.71 and 254,431.60

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Solution

The fourth proportional to 435,823.54, 601,330.71 and 254,431.60 is: 351,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,823.54 : 601,330.71 = 254,431.60 : x
  2. Step 2: Convert to fraction form
    435,823.54/601,330.71 = 254,431.60/x
  3. Step 3: Cross multiply
    435,823.54x = 601,330.71 × 254,431.60
  4. Step 4: Simplify right side
    435,823.54x = 152,997,534,674.44
  5. Step 5: Solve for x
    x = 152,997,534,674.44/435,823.54
  6. Step 6: Final answer
    x = 351,053.86

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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.