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Finding the Fourth Proportional to 672,773.84, 928,426.92 and 370,968.56

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Solution

The fourth proportional to 672,773.84, 928,426.92 and 370,968.56 is: 511,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,773.84 : 928,426.92 = 370,968.56 : x
  2. Step 2: Convert to fraction form
    672,773.84/928,426.92 = 370,968.56/x
  3. Step 3: Cross multiply
    672,773.84x = 928,426.92 × 370,968.56
  4. Step 4: Simplify right side
    672,773.84x = 344,417,197,577.64
  5. Step 5: Solve for x
    x = 344,417,197,577.64/672,773.84
  6. Step 6: Final answer
    x = 511,936.07

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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.