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Finding the Fourth Proportional to 668,952.71, 923,157.16 and 363,029.03

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Solution

The fourth proportional to 668,952.71, 923,157.16 and 363,029.03 is: 500,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,952.71 : 923,157.16 = 363,029.03 : x
  2. Step 2: Convert to fraction form
    668,952.71/923,157.16 = 363,029.03/x
  3. Step 3: Cross multiply
    668,952.71x = 923,157.16 × 363,029.03
  4. Step 4: Simplify right side
    668,952.71x = 335,132,848,332.36
  5. Step 5: Solve for x
    x = 335,132,848,332.36/668,952.71
  6. Step 6: Final answer
    x = 500,981.37

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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.