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Finding the Fourth Proportional to 633,563.32, 874,280.64 and 347,033.52

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Solution

The fourth proportional to 633,563.32, 874,280.64 and 347,033.52 is: 478,886.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,563.32 : 874,280.64 = 347,033.52 : x
  2. Step 2: Convert to fraction form
    633,563.32/874,280.64 = 347,033.52/x
  3. Step 3: Cross multiply
    633,563.32x = 874,280.64 × 347,033.52
  4. Step 4: Simplify right side
    633,563.32x = 303,404,687,967.05
  5. Step 5: Solve for x
    x = 303,404,687,967.05/633,563.32
  6. Step 6: Final answer
    x = 478,886.13

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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.