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Finding the Fourth Proportional to 668,954.14, 923,159.14 and 363,030.46

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Solution

The fourth proportional to 668,954.14, 923,159.14 and 363,030.46 is: 500,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,954.14 : 923,159.14 = 363,030.46 : x
  2. Step 2: Convert to fraction form
    668,954.14/923,159.14 = 363,030.46/x
  3. Step 3: Cross multiply
    668,954.14x = 923,159.14 × 363,030.46
  4. Step 4: Simplify right side
    668,954.14x = 335,134,887,247.40
  5. Step 5: Solve for x
    x = 335,134,887,247.40/668,954.14
  6. Step 6: Final answer
    x = 500,983.35

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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.