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Finding the Fourth Proportional to 668,604.68, 922,670.48 and 362,681.65

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Solution

The fourth proportional to 668,604.68, 922,670.48 and 362,681.65 is: 500,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,604.68 : 922,670.48 = 362,681.65 : x
  2. Step 2: Convert to fraction form
    668,604.68/922,670.48 = 362,681.65/x
  3. Step 3: Cross multiply
    668,604.68x = 922,670.48 × 362,681.65
  4. Step 4: Simplify right side
    668,604.68x = 334,635,645,665.93
  5. Step 5: Solve for x
    x = 334,635,645,665.93/668,604.68
  6. Step 6: Final answer
    x = 500,498.51

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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.