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Finding the Fourth Proportional to 672,226.79, 927,664.53 and 366,316.52

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Solution

The fourth proportional to 672,226.79, 927,664.53 and 366,316.52 is: 505,512.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,226.79 : 927,664.53 = 366,316.52 : x
  2. Step 2: Convert to fraction form
    672,226.79/927,664.53 = 366,316.52/x
  3. Step 3: Cross multiply
    672,226.79x = 927,664.53 × 366,316.52
  4. Step 4: Simplify right side
    672,226.79x = 339,818,842,357.04
  5. Step 5: Solve for x
    x = 339,818,842,357.04/672,226.79
  6. Step 6: Final answer
    x = 505,512.20

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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.