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Finding the Fourth Proportional to 668,548.33, 922,589.91 and 362,618.13

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Solution

The fourth proportional to 668,548.33, 922,589.91 and 362,618.13 is: 500,409.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,548.33 : 922,589.91 = 362,618.13 : x
  2. Step 2: Convert to fraction form
    668,548.33/922,589.91 = 362,618.13/x
  3. Step 3: Cross multiply
    668,548.33x = 922,589.91 × 362,618.13
  4. Step 4: Simplify right side
    668,548.33x = 334,547,830,020.96
  5. Step 5: Solve for x
    x = 334,547,830,020.96/668,548.33
  6. Step 6: Final answer
    x = 500,409.35

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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.