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Finding the Fourth Proportional to 562,684.92, 776,505.08 and 304,561.79

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Solution

The fourth proportional to 562,684.92, 776,505.08 and 304,561.79 is: 420,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,684.92 : 776,505.08 = 304,561.79 : x
  2. Step 2: Convert to fraction form
    562,684.92/776,505.08 = 304,561.79/x
  3. Step 3: Cross multiply
    562,684.92x = 776,505.08 × 304,561.79
  4. Step 4: Simplify right side
    562,684.92x = 236,493,776,899.67
  5. Step 5: Solve for x
    x = 236,493,776,899.67/562,684.92
  6. Step 6: Final answer
    x = 420,295.21

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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.