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Finding the Fourth Proportional to 603,416.88, 832,622.82 and 348,718.92

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Solution

The fourth proportional to 603,416.88, 832,622.82 and 348,718.92 is: 481,178.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,416.88 : 832,622.82 = 348,718.92 : x
  2. Step 2: Convert to fraction form
    603,416.88/832,622.82 = 348,718.92/x
  3. Step 3: Cross multiply
    603,416.88x = 832,622.82 × 348,718.92
  4. Step 4: Simplify right side
    603,416.88x = 290,351,330,557.75
  5. Step 5: Solve for x
    x = 290,351,330,557.75/603,416.88
  6. Step 6: Final answer
    x = 481,178.67

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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.