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Finding the Fourth Proportional to 668,255.70, 922,204.83 and 362,342.40

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Solution

The fourth proportional to 668,255.70, 922,204.83 and 362,342.40 is: 500,039.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,255.70 : 922,204.83 = 362,342.40 : x
  2. Step 2: Convert to fraction form
    668,255.70/922,204.83 = 362,342.40/x
  3. Step 3: Cross multiply
    668,255.70x = 922,204.83 × 362,342.40
  4. Step 4: Simplify right side
    668,255.70x = 334,153,911,393.79
  5. Step 5: Solve for x
    x = 334,153,911,393.79/668,255.70
  6. Step 6: Final answer
    x = 500,039.00

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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.