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Finding the Fourth Proportional to 519,334.74, 716,679.20 and 301,596.95

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Solution

The fourth proportional to 519,334.74, 716,679.20 and 301,596.95 is: 416,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,334.74 : 716,679.20 = 301,596.95 : x
  2. Step 2: Convert to fraction form
    519,334.74/716,679.20 = 301,596.95/x
  3. Step 3: Cross multiply
    519,334.74x = 716,679.20 × 301,596.95
  4. Step 4: Simplify right side
    519,334.74x = 216,148,260,848.44
  5. Step 5: Solve for x
    x = 216,148,260,848.44/519,334.74
  6. Step 6: Final answer
    x = 416,202.20

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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.