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Finding the Fourth Proportional to 562,009.80, 843,014.70 and 325,813.80

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Solution

The fourth proportional to 562,009.80, 843,014.70 and 325,813.80 is: 488,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,009.80 : 843,014.70 = 325,813.80 : x
  2. Step 2: Convert to fraction form
    562,009.80/843,014.70 = 325,813.80/x
  3. Step 3: Cross multiply
    562,009.80x = 843,014.70 × 325,813.80
  4. Step 4: Simplify right side
    562,009.80x = 274,665,822,862.86
  5. Step 5: Solve for x
    x = 274,665,822,862.86/562,009.80
  6. Step 6: Final answer
    x = 488,720.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.