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Finding the Fourth Proportional to 402,076.80, 602,240.40 and 244,029.60

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Solution

The fourth proportional to 402,076.80, 602,240.40 and 244,029.60 is: 365,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,076.80 : 602,240.40 = 244,029.60 : x
  2. Step 2: Convert to fraction form
    402,076.80/602,240.40 = 244,029.60/x
  3. Step 3: Cross multiply
    402,076.80x = 602,240.40 × 244,029.60
  4. Step 4: Simplify right side
    402,076.80x = 146,964,483,915.84
  5. Step 5: Solve for x
    x = 146,964,483,915.84/402,076.80
  6. Step 6: Final answer
    x = 365,513.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.