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Finding the Fourth Proportional to 672,324.22, 927,807.42 and 370,518.22

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Solution

The fourth proportional to 672,324.22, 927,807.42 and 370,518.22 is: 511,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,324.22 : 927,807.42 = 370,518.22 : x
  2. Step 2: Convert to fraction form
    672,324.22/927,807.42 = 370,518.22/x
  3. Step 3: Cross multiply
    672,324.22x = 927,807.42 × 370,518.22
  4. Step 4: Simplify right side
    672,324.22x = 343,769,553,761.19
  5. Step 5: Solve for x
    x = 343,769,553,761.19/672,324.22
  6. Step 6: Final answer
    x = 511,315.14

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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.