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Finding the Fourth Proportional to 668,222.04, 922,152.72 and 362,297.64

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Solution

The fourth proportional to 668,222.04, 922,152.72 and 362,297.64 is: 499,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,222.04 : 922,152.72 = 362,297.64 : x
  2. Step 2: Convert to fraction form
    668,222.04/922,152.72 = 362,297.64/x
  3. Step 3: Cross multiply
    668,222.04x = 922,152.72 × 362,297.64
  4. Step 4: Simplify right side
    668,222.04x = 334,093,754,175.58
  5. Step 5: Solve for x
    x = 334,093,754,175.58/668,222.04
  6. Step 6: Final answer
    x = 499,974.16

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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.