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Finding the Fourth Proportional to 450,615.59, 621,848.60 and 246,666.56

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Solution

The fourth proportional to 450,615.59, 621,848.60 and 246,666.56 is: 340,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,615.59 : 621,848.60 = 246,666.56 : x
  2. Step 2: Convert to fraction form
    450,615.59/621,848.60 = 246,666.56/x
  3. Step 3: Cross multiply
    450,615.59x = 621,848.60 × 246,666.56
  4. Step 4: Simplify right side
    450,615.59x = 153,389,255,002.82
  5. Step 5: Solve for x
    x = 153,389,255,002.82/450,615.59
  6. Step 6: Final answer
    x = 340,399.35

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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.