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Finding the Fourth Proportional to 637,224.42, 879,336.24 and 350,689.74

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Solution

The fourth proportional to 637,224.42, 879,336.24 and 350,689.74 is: 483,933.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,224.42 : 879,336.24 = 350,689.74 : x
  2. Step 2: Convert to fraction form
    637,224.42/879,336.24 = 350,689.74/x
  3. Step 3: Cross multiply
    637,224.42x = 879,336.24 × 350,689.74
  4. Step 4: Simplify right side
    637,224.42x = 308,374,197,378.18
  5. Step 5: Solve for x
    x = 308,374,197,378.18/637,224.42
  6. Step 6: Final answer
    x = 483,933.43

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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.