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Finding the Fourth Proportional to 1,166,073.04, 1,749,358.65 and 407,939.24

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Solution

The fourth proportional to 1,166,073.04, 1,749,358.65 and 407,939.24 is: 611,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,073.04 : 1,749,358.65 = 407,939.24 : x
  2. Step 2: Convert to fraction form
    1,166,073.04/1,749,358.65 = 407,939.24/x
  3. Step 3: Cross multiply
    1,166,073.04x = 1,749,358.65 × 407,939.24
  4. Step 4: Simplify right side
    1,166,073.04x = 713,632,030,789.47
  5. Step 5: Solve for x
    x = 713,632,030,789.47/1,166,073.04
  6. Step 6: Final answer
    x = 611,996.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.