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Finding the Fourth Proportional to 672,598.08, 928,219.68 and 370,791.36

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Solution

The fourth proportional to 672,598.08, 928,219.68 and 370,791.36 is: 511,711.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,598.08 : 928,219.68 = 370,791.36 : x
  2. Step 2: Convert to fraction form
    672,598.08/928,219.68 = 370,791.36/x
  3. Step 3: Cross multiply
    672,598.08x = 928,219.68 × 370,791.36
  4. Step 4: Simplify right side
    672,598.08x = 344,175,837,525.97
  5. Step 5: Solve for x
    x = 344,175,837,525.97/672,598.08
  6. Step 6: Final answer
    x = 511,711.00

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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.