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Finding the Fourth Proportional to 402,431.80, 602,772.90 and 244,384.60

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Solution

The fourth proportional to 402,431.80, 602,772.90 and 244,384.60 is: 366,045.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,431.80 : 602,772.90 = 244,384.60 : x
  2. Step 2: Convert to fraction form
    402,431.80/602,772.90 = 244,384.60/x
  3. Step 3: Cross multiply
    402,431.80x = 602,772.90 × 244,384.60
  4. Step 4: Simplify right side
    402,431.80x = 147,308,414,057.34
  5. Step 5: Solve for x
    x = 147,308,414,057.34/402,431.80
  6. Step 6: Final answer
    x = 366,045.66

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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.