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Finding the Fourth Proportional to 554,362.24, 765,019.96 and 299,713.36

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Solution

The fourth proportional to 554,362.24, 765,019.96 and 299,713.36 is: 413,604.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,362.24 : 765,019.96 = 299,713.36 : x
  2. Step 2: Convert to fraction form
    554,362.24/765,019.96 = 299,713.36/x
  3. Step 3: Cross multiply
    554,362.24x = 765,019.96 × 299,713.36
  4. Step 4: Simplify right side
    554,362.24x = 229,286,702,678.67
  5. Step 5: Solve for x
    x = 229,286,702,678.67/554,362.24
  6. Step 6: Final answer
    x = 413,604.47

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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.