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Finding the Fourth Proportional to 668,376.93, 922,360.37 and 362,453.22

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Solution

The fourth proportional to 668,376.93, 922,360.37 and 362,453.22 is: 500,185.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,376.93 : 922,360.37 = 362,453.22 : x
  2. Step 2: Convert to fraction form
    668,376.93/922,360.37 = 362,453.22/x
  3. Step 3: Cross multiply
    668,376.93x = 922,360.37 × 362,453.22
  4. Step 4: Simplify right side
    668,376.93x = 334,312,484,707.12
  5. Step 5: Solve for x
    x = 334,312,484,707.12/668,376.93
  6. Step 6: Final answer
    x = 500,185.56

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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.