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Finding the Fourth Proportional to 310,007.25, 465,040.26 and 120,482.23

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Solution

The fourth proportional to 310,007.25, 465,040.26 and 120,482.23 is: 180,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,007.25 : 465,040.26 = 120,482.23 : x
  2. Step 2: Convert to fraction form
    310,007.25/465,040.26 = 120,482.23/x
  3. Step 3: Cross multiply
    310,007.25x = 465,040.26 × 120,482.23
  4. Step 4: Simplify right side
    310,007.25x = 56,029,087,285.80
  5. Step 5: Solve for x
    x = 56,029,087,285.80/310,007.25
  6. Step 6: Final answer
    x = 180,734.76

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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.