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Finding the Fourth Proportional to 668,194.67, 922,105.73 and 362,270.10

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Solution

The fourth proportional to 668,194.67, 922,105.73 and 362,270.10 is: 499,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,194.67 : 922,105.73 = 362,270.10 : x
  2. Step 2: Convert to fraction form
    668,194.67/922,105.73 = 362,270.10/x
  3. Step 3: Cross multiply
    668,194.67x = 922,105.73 × 362,270.10
  4. Step 4: Simplify right side
    668,194.67x = 334,051,335,017.67
  5. Step 5: Solve for x
    x = 334,051,335,017.67/668,194.67
  6. Step 6: Final answer
    x = 499,931.16

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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.