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Finding the Fourth Proportional to 605,196.40, 834,390.56 and 495,894.36

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Solution

The fourth proportional to 605,196.40, 834,390.56 and 495,894.36 is: 683,694.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,196.40 : 834,390.56 = 495,894.36 : x
  2. Step 2: Convert to fraction form
    605,196.40/834,390.56 = 495,894.36/x
  3. Step 3: Cross multiply
    605,196.40x = 834,390.56 × 495,894.36
  4. Step 4: Simplify right side
    605,196.40x = 413,769,572,741.24
  5. Step 5: Solve for x
    x = 413,769,572,741.24/605,196.40
  6. Step 6: Final answer
    x = 683,694.70

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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.