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Finding the Fourth Proportional to 495,296.82, 683,503.65 and 268,943.94

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Solution

The fourth proportional to 495,296.82, 683,503.65 and 268,943.94 is: 371,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,296.82 : 683,503.65 = 268,943.94 : x
  2. Step 2: Convert to fraction form
    495,296.82/683,503.65 = 268,943.94/x
  3. Step 3: Cross multiply
    495,296.82x = 683,503.65 × 268,943.94
  4. Step 4: Simplify right side
    495,296.82x = 183,824,164,635.38
  5. Step 5: Solve for x
    x = 183,824,164,635.38/495,296.82
  6. Step 6: Final answer
    x = 371,139.40

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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.