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Finding the Fourth Proportional to 539,464.24, 809,235 and 207,040.24

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Solution

The fourth proportional to 539,464.24, 809,235 and 207,040.24 is: 310,575.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,464.24 : 809,235 = 207,040.24 : x
  2. Step 2: Convert to fraction form
    539,464.24/809,235 = 207,040.24/x
  3. Step 3: Cross multiply
    539,464.24x = 809,235 × 207,040.24
  4. Step 4: Simplify right side
    539,464.24x = 167,544,208,616.40
  5. Step 5: Solve for x
    x = 167,544,208,616.40/539,464.24
  6. Step 6: Final answer
    x = 310,575.19

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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.