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Finding the Fourth Proportional to 633,321.32, 873,984.74 and 342,936.04

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Solution

The fourth proportional to 633,321.32, 873,984.74 and 342,936.04 is: 473,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,321.32 : 873,984.74 = 342,936.04 : x
  2. Step 2: Convert to fraction form
    633,321.32/873,984.74 = 342,936.04/x
  3. Step 3: Cross multiply
    633,321.32x = 873,984.74 × 342,936.04
  4. Step 4: Simplify right side
    633,321.32x = 299,720,865,756.03
  5. Step 5: Solve for x
    x = 299,720,865,756.03/633,321.32
  6. Step 6: Final answer
    x = 473,252.45

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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.