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Finding the Fourth Proportional to 562,683.10, 776,502.58 and 304,559.97

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Solution

The fourth proportional to 562,683.10, 776,502.58 and 304,559.97 is: 420,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,683.10 : 776,502.58 = 304,559.97 : x
  2. Step 2: Convert to fraction form
    562,683.10/776,502.58 = 304,559.97/x
  3. Step 3: Cross multiply
    562,683.10x = 776,502.58 × 304,559.97
  4. Step 4: Simplify right side
    562,683.10x = 236,491,602,469.72
  5. Step 5: Solve for x
    x = 236,491,602,469.72/562,683.10
  6. Step 6: Final answer
    x = 420,292.71

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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.