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Finding the Fourth Proportional to 672,362.64, 927,864.72 and 370,556.64

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Solution

The fourth proportional to 672,362.64, 927,864.72 and 370,556.64 is: 511,370.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,362.64 : 927,864.72 = 370,556.64 : x
  2. Step 2: Convert to fraction form
    672,362.64/927,864.72 = 370,556.64/x
  3. Step 3: Cross multiply
    672,362.64x = 927,864.72 × 370,556.64
  4. Step 4: Simplify right side
    672,362.64x = 343,826,433,017.74
  5. Step 5: Solve for x
    x = 343,826,433,017.74/672,362.64
  6. Step 6: Final answer
    x = 511,370.52

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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.