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Finding the Fourth Proportional to 562,790.74, 776,650.39 and 304,666.42

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Solution

The fourth proportional to 562,790.74, 776,650.39 and 304,666.42 is: 420,439.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,790.74 : 776,650.39 = 304,666.42 : x
  2. Step 2: Convert to fraction form
    562,790.74/776,650.39 = 304,666.42/x
  3. Step 3: Cross multiply
    562,790.74x = 776,650.39 × 304,666.42
  4. Step 4: Simplify right side
    562,790.74x = 236,619,288,506.32
  5. Step 5: Solve for x
    x = 236,619,288,506.32/562,790.74
  6. Step 6: Final answer
    x = 420,439.20

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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.