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Finding the Fourth Proportional to 562,682.10, 776,501.20 and 304,558.97

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Solution

The fourth proportional to 562,682.10, 776,501.20 and 304,558.97 is: 420,291.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,682.10 : 776,501.20 = 304,558.97 : x
  2. Step 2: Convert to fraction form
    562,682.10/776,501.20 = 304,558.97/x
  3. Step 3: Cross multiply
    562,682.10x = 776,501.20 × 304,558.97
  4. Step 4: Simplify right side
    562,682.10x = 236,490,406,541.78
  5. Step 5: Solve for x
    x = 236,490,406,541.78/562,682.10
  6. Step 6: Final answer
    x = 420,291.33

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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.