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Finding the Fourth Proportional to 562,808.63, 776,672.34 and 304,683.69

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Solution

The fourth proportional to 562,808.63, 776,672.34 and 304,683.69 is: 420,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,808.63 : 776,672.34 = 304,683.69 : x
  2. Step 2: Convert to fraction form
    562,808.63/776,672.34 = 304,683.69/x
  3. Step 3: Cross multiply
    562,808.63x = 776,672.34 × 304,683.69
  4. Step 4: Simplify right side
    562,808.63x = 236,639,394,472.14
  5. Step 5: Solve for x
    x = 236,639,394,472.14/562,808.63
  6. Step 6: Final answer
    x = 420,461.56

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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.