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Finding the Fourth Proportional to 886,571.80, 1,329,857.70 and 325,533.40

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Solution

The fourth proportional to 886,571.80, 1,329,857.70 and 325,533.40 is: 488,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,571.80 : 1,329,857.70 = 325,533.40 : x
  2. Step 2: Convert to fraction form
    886,571.80/1,329,857.70 = 325,533.40/x
  3. Step 3: Cross multiply
    886,571.80x = 1,329,857.70 × 325,533.40
  4. Step 4: Simplify right side
    886,571.80x = 432,913,098,597.18
  5. Step 5: Solve for x
    x = 432,913,098,597.18/886,571.80
  6. Step 6: Final answer
    x = 488,300.10

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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.