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Finding the Fourth Proportional to 342,334.74, 510,993.92 and 301,934.16

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Solution

The fourth proportional to 342,334.74, 510,993.92 and 301,934.16 is: 450,689.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,334.74 : 510,993.92 = 301,934.16 : x
  2. Step 2: Convert to fraction form
    342,334.74/510,993.92 = 301,934.16/x
  3. Step 3: Cross multiply
    342,334.74x = 510,993.92 × 301,934.16
  4. Step 4: Simplify right side
    342,334.74x = 154,286,520,000.31
  5. Step 5: Solve for x
    x = 154,286,520,000.31/342,334.74
  6. Step 6: Final answer
    x = 450,689.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.