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Finding the Fourth Proportional to 508,047.12, 762,420.60 and 175,623.12

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Solution

The fourth proportional to 508,047.12, 762,420.60 and 175,623.12 is: 263,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,047.12 : 762,420.60 = 175,623.12 : x
  2. Step 2: Convert to fraction form
    508,047.12/762,420.60 = 175,623.12/x
  3. Step 3: Cross multiply
    508,047.12x = 762,420.60 × 175,623.12
  4. Step 4: Simplify right side
    508,047.12x = 133,898,684,524.27
  5. Step 5: Solve for x
    x = 133,898,684,524.27/508,047.12
  6. Step 6: Final answer
    x = 263,555.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.