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Finding the Fourth Proportional to 562,743.18, 776,605.14 and 308,096.10

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Solution

The fourth proportional to 562,743.18, 776,605.14 and 308,096.10 is: 425,183.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,743.18 : 776,605.14 = 308,096.10 : x
  2. Step 2: Convert to fraction form
    562,743.18/776,605.14 = 308,096.10/x
  3. Step 3: Cross multiply
    562,743.18x = 776,605.14 × 308,096.10
  4. Step 4: Simplify right side
    562,743.18x = 239,269,014,873.95
  5. Step 5: Solve for x
    x = 239,269,014,873.95/562,743.18
  6. Step 6: Final answer
    x = 425,183.32

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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.