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Finding the Fourth Proportional to 495,757.77, 683,893.89 and 323,776.40

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Solution

The fourth proportional to 495,757.77, 683,893.89 and 323,776.40 is: 446,646.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,757.77 : 683,893.89 = 323,776.40 : x
  2. Step 2: Convert to fraction form
    495,757.77/683,893.89 = 323,776.40/x
  3. Step 3: Cross multiply
    495,757.77x = 683,893.89 × 323,776.40
  4. Step 4: Simplify right side
    495,757.77x = 221,428,698,266.73
  5. Step 5: Solve for x
    x = 221,428,698,266.73/495,757.77
  6. Step 6: Final answer
    x = 446,646.95

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1.5x scale

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.