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Finding the Fourth Proportional to 495,362.79, 683,809.91 and 334,435.81

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Solution

The fourth proportional to 495,362.79, 683,809.91 and 334,435.81 is: 461,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,362.79 : 683,809.91 = 334,435.81 : x
  2. Step 2: Convert to fraction form
    495,362.79/683,809.91 = 334,435.81/x
  3. Step 3: Cross multiply
    495,362.79x = 683,809.91 × 334,435.81
  4. Step 4: Simplify right side
    495,362.79x = 228,690,519,464.70
  5. Step 5: Solve for x
    x = 228,690,519,464.70/495,362.79
  6. Step 6: Final answer
    x = 461,662.70

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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.