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Finding the Fourth Proportional to 450,362.30, 621,494.64 and 246,410.84

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Solution

The fourth proportional to 450,362.30, 621,494.64 and 246,410.84 is: 340,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,362.30 : 621,494.64 = 246,410.84 : x
  2. Step 2: Convert to fraction form
    450,362.30/621,494.64 = 246,410.84/x
  3. Step 3: Cross multiply
    450,362.30x = 621,494.64 × 246,410.84
  4. Step 4: Simplify right side
    450,362.30x = 153,143,017,851.63
  5. Step 5: Solve for x
    x = 153,143,017,851.63/450,362.30
  6. Step 6: Final answer
    x = 340,044.05

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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.