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Finding the Fourth Proportional to 883,168.12, 1,323,866.40 and 410,185.64

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Solution

The fourth proportional to 883,168.12, 1,323,866.40 and 410,185.64 is: 614,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,168.12 : 1,323,866.40 = 410,185.64 : x
  2. Step 2: Convert to fraction form
    883,168.12/1,323,866.40 = 410,185.64/x
  3. Step 3: Cross multiply
    883,168.12x = 1,323,866.40 × 410,185.64
  4. Step 4: Simplify right side
    883,168.12x = 543,030,986,558.50
  5. Step 5: Solve for x
    x = 543,030,986,558.50/883,168.12
  6. Step 6: Final answer
    x = 614,867.06

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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.