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Finding the Fourth Proportional to 450,276.49, 621,386.45 and 246,323.03

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Solution

The fourth proportional to 450,276.49, 621,386.45 and 246,323.03 is: 339,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,276.49 : 621,386.45 = 246,323.03 : x
  2. Step 2: Convert to fraction form
    450,276.49/621,386.45 = 246,323.03/x
  3. Step 3: Cross multiply
    450,276.49x = 621,386.45 × 246,323.03
  4. Step 4: Simplify right side
    450,276.49x = 153,061,793,164.94
  5. Step 5: Solve for x
    x = 153,061,793,164.94/450,276.49
  6. Step 6: Final answer
    x = 339,928.46

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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.