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Finding the Fourth Proportional to 633,573.60, 874,347.20 and 347,094.40

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Solution

The fourth proportional to 633,573.60, 874,347.20 and 347,094.40 is: 478,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,573.60 : 874,347.20 = 347,094.40 : x
  2. Step 2: Convert to fraction form
    633,573.60/874,347.20 = 347,094.40/x
  3. Step 3: Cross multiply
    633,573.60x = 874,347.20 × 347,094.40
  4. Step 4: Simplify right side
    633,573.60x = 303,481,016,775.68
  5. Step 5: Solve for x
    x = 303,481,016,775.68/633,573.60
  6. Step 6: Final answer
    x = 478,998.84

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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.