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Finding the Fourth Proportional to 562,502.43, 776,234.00 and 320,863.23

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Solution

The fourth proportional to 562,502.43, 776,234.00 and 320,863.23 is: 442,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,502.43 : 776,234.00 = 320,863.23 : x
  2. Step 2: Convert to fraction form
    562,502.43/776,234.00 = 320,863.23/x
  3. Step 3: Cross multiply
    562,502.43x = 776,234.00 × 320,863.23
  4. Step 4: Simplify right side
    562,502.43x = 249,064,949,277.98
  5. Step 5: Solve for x
    x = 249,064,949,277.98/562,502.43
  6. Step 6: Final answer
    x = 442,780.22

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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.