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Finding the Fourth Proportional to 603,459.91, 832,771.23 and 331,521.95

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Solution

The fourth proportional to 603,459.91, 832,771.23 and 331,521.95 is: 457,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,459.91 : 832,771.23 = 331,521.95 : x
  2. Step 2: Convert to fraction form
    603,459.91/832,771.23 = 331,521.95/x
  3. Step 3: Cross multiply
    603,459.91x = 832,771.23 × 331,521.95
  4. Step 4: Simplify right side
    603,459.91x = 276,081,942,073.50
  5. Step 5: Solve for x
    x = 276,081,942,073.50/603,459.91
  6. Step 6: Final answer
    x = 457,498.40

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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.