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Finding the Fourth Proportional to 397,333.20, 595,999.80 and 370,894.80

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Solution

The fourth proportional to 397,333.20, 595,999.80 and 370,894.80 is: 556,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,333.20 : 595,999.80 = 370,894.80 : x
  2. Step 2: Convert to fraction form
    397,333.20/595,999.80 = 370,894.80/x
  3. Step 3: Cross multiply
    397,333.20x = 595,999.80 × 370,894.80
  4. Step 4: Simplify right side
    397,333.20x = 221,053,226,621.04
  5. Step 5: Solve for x
    x = 221,053,226,621.04/397,333.20
  6. Step 6: Final answer
    x = 556,342.20

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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.