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Finding the Fourth Proportional to 668,207.76, 922,133.03 and 362,283.32

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Solution

The fourth proportional to 668,207.76, 922,133.03 and 362,283.32 is: 499,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,207.76 : 922,133.03 = 362,283.32 : x
  2. Step 2: Convert to fraction form
    668,207.76/922,133.03 = 362,283.32/x
  3. Step 3: Cross multiply
    668,207.76x = 922,133.03 × 362,283.32
  4. Step 4: Simplify right side
    668,207.76x = 334,073,409,167.98
  5. Step 5: Solve for x
    x = 334,073,409,167.98/668,207.76
  6. Step 6: Final answer
    x = 499,954.40

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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.