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Finding the Fourth Proportional to 562,674.96, 776,505.12 and 308,025.36

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Solution

The fourth proportional to 562,674.96, 776,505.12 and 308,025.36 is: 425,082.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,674.96 : 776,505.12 = 308,025.36 : x
  2. Step 2: Convert to fraction form
    562,674.96/776,505.12 = 308,025.36/x
  3. Step 3: Cross multiply
    562,674.96x = 776,505.12 × 308,025.36
  4. Step 4: Simplify right side
    562,674.96x = 239,183,269,129.84
  5. Step 5: Solve for x
    x = 239,183,269,129.84/562,674.96
  6. Step 6: Final answer
    x = 425,082.48

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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.