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Finding the Fourth Proportional to 450,906.50, 622,270.53 and 249,702.50

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Solution

The fourth proportional to 450,906.50, 622,270.53 and 249,702.50 is: 344,600.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,906.50 : 622,270.53 = 249,702.50 : x
  2. Step 2: Convert to fraction form
    450,906.50/622,270.53 = 249,702.50/x
  3. Step 3: Cross multiply
    450,906.50x = 622,270.53 × 249,702.50
  4. Step 4: Simplify right side
    450,906.50x = 155,382,507,017.33
  5. Step 5: Solve for x
    x = 155,382,507,017.33/450,906.50
  6. Step 6: Final answer
    x = 344,600.28

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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.