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Finding the Fourth Proportional to 450,405.75, 621,554.62 and 246,454.33

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Solution

The fourth proportional to 450,405.75, 621,554.62 and 246,454.33 is: 340,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,405.75 : 621,554.62 = 246,454.33 : x
  2. Step 2: Convert to fraction form
    450,405.75/621,554.62 = 246,454.33/x
  3. Step 3: Cross multiply
    450,405.75x = 621,554.62 × 246,454.33
  4. Step 4: Simplify right side
    450,405.75x = 153,184,827,430.51
  5. Step 5: Solve for x
    x = 153,184,827,430.51/450,405.75
  6. Step 6: Final answer
    x = 340,104.07

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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.