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Finding the Fourth Proportional to 562,665.63, 776,478.51 and 304,542.54

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Solution

The fourth proportional to 562,665.63, 776,478.51 and 304,542.54 is: 420,268.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,665.63 : 776,478.51 = 304,542.54 : x
  2. Step 2: Convert to fraction form
    562,665.63/776,478.51 = 304,542.54/x
  3. Step 3: Cross multiply
    562,665.63x = 776,478.51 × 304,542.54
  4. Step 4: Simplify right side
    562,665.63x = 236,470,733,808.42
  5. Step 5: Solve for x
    x = 236,470,733,808.42/562,665.63
  6. Step 6: Final answer
    x = 420,268.67

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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.