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Finding the Fourth Proportional to 554,263.47, 764,884.08 and 299,614.64

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Solution

The fourth proportional to 554,263.47, 764,884.08 and 299,614.64 is: 413,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,263.47 : 764,884.08 = 299,614.64 : x
  2. Step 2: Convert to fraction form
    554,263.47/764,884.08 = 299,614.64/x
  3. Step 3: Cross multiply
    554,263.47x = 764,884.08 × 299,614.64
  4. Step 4: Simplify right side
    554,263.47x = 229,170,464,446.51
  5. Step 5: Solve for x
    x = 229,170,464,446.51/554,263.47
  6. Step 6: Final answer
    x = 413,468.46

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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.