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Finding the Fourth Proportional to 633,504.18, 874,235.93 and 347,034.45

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Solution

The fourth proportional to 633,504.18, 874,235.93 and 347,034.45 is: 478,907.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,504.18 : 874,235.93 = 347,034.45 : x
  2. Step 2: Convert to fraction form
    633,504.18/874,235.93 = 347,034.45/x
  3. Step 3: Cross multiply
    633,504.18x = 874,235.93 × 347,034.45
  4. Step 4: Simplify right side
    633,504.18x = 303,389,983,402.62
  5. Step 5: Solve for x
    x = 303,389,983,402.62/633,504.18
  6. Step 6: Final answer
    x = 478,907.63

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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.