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Finding the Fourth Proportional to 867,366.27, 1,197,090.65 and 499,773

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Solution

The fourth proportional to 867,366.27, 1,197,090.65 and 499,773 is: 689,758.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,366.27 : 1,197,090.65 = 499,773 : x
  2. Step 2: Convert to fraction form
    867,366.27/1,197,090.65 = 499,773/x
  3. Step 3: Cross multiply
    867,366.27x = 1,197,090.65 × 499,773
  4. Step 4: Simplify right side
    867,366.27x = 598,273,585,422.45
  5. Step 5: Solve for x
    x = 598,273,585,422.45/867,366.27
  6. Step 6: Final answer
    x = 689,758.88

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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.