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Finding the Fourth Proportional to 633,490.08, 874,216.53 and 347,014.86

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Solution

The fourth proportional to 633,490.08, 874,216.53 and 347,014.86 is: 478,880.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,490.08 : 874,216.53 = 347,014.86 : x
  2. Step 2: Convert to fraction form
    633,490.08/874,216.53 = 347,014.86/x
  3. Step 3: Cross multiply
    633,490.08x = 874,216.53 × 347,014.86
  4. Step 4: Simplify right side
    633,490.08x = 303,366,126,767.64
  5. Step 5: Solve for x
    x = 303,366,126,767.64/633,490.08
  6. Step 6: Final answer
    x = 478,880.63

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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.