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Finding the Fourth Proportional to 562,546.37, 776,313.99 and 307,897.56

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Solution

The fourth proportional to 562,546.37, 776,313.99 and 307,897.56 is: 424,898.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,546.37 : 776,313.99 = 307,897.56 : x
  2. Step 2: Convert to fraction form
    562,546.37/776,313.99 = 307,897.56/x
  3. Step 3: Cross multiply
    562,546.37x = 776,313.99 × 307,897.56
  4. Step 4: Simplify right side
    562,546.37x = 239,025,183,314.86
  5. Step 5: Solve for x
    x = 239,025,183,314.86/562,546.37
  6. Step 6: Final answer
    x = 424,898.64

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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.