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Finding the Fourth Proportional to 580,039.69, 800,444.95 and 325,385.41

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Solution

The fourth proportional to 580,039.69, 800,444.95 and 325,385.41 is: 449,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,039.69 : 800,444.95 = 325,385.41 : x
  2. Step 2: Convert to fraction form
    580,039.69/800,444.95 = 325,385.41/x
  3. Step 3: Cross multiply
    580,039.69x = 800,444.95 × 325,385.41
  4. Step 4: Simplify right side
    580,039.69x = 260,453,105,423.60
  5. Step 5: Solve for x
    x = 260,453,105,423.60/580,039.69
  6. Step 6: Final answer
    x = 449,026.35

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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.