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Finding the Fourth Proportional to 467,353.48, 644,947 and 252,492.88

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Solution

The fourth proportional to 467,353.48, 644,947 and 252,492.88 is: 348,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,353.48 : 644,947 = 252,492.88 : x
  2. Step 2: Convert to fraction form
    467,353.48/644,947 = 252,492.88/x
  3. Step 3: Cross multiply
    467,353.48x = 644,947 × 252,492.88
  4. Step 4: Simplify right side
    467,353.48x = 162,844,525,477.36
  5. Step 5: Solve for x
    x = 162,844,525,477.36/467,353.48
  6. Step 6: Final answer
    x = 348,439.74

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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.