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Finding the Fourth Proportional to 562,104.72, 775,685.04 and 320,465.13

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Solution

The fourth proportional to 562,104.72, 775,685.04 and 320,465.13 is: 442,230.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,104.72 : 775,685.04 = 320,465.13 : x
  2. Step 2: Convert to fraction form
    562,104.72/775,685.04 = 320,465.13/x
  3. Step 3: Cross multiply
    562,104.72x = 775,685.04 × 320,465.13
  4. Step 4: Simplify right side
    562,104.72x = 248,580,007,182.66
  5. Step 5: Solve for x
    x = 248,580,007,182.66/562,104.72
  6. Step 6: Final answer
    x = 442,230.78

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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.