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Finding the Fourth Proportional to 483,536.67, 667,683.45 and 403,384.34

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Solution

The fourth proportional to 483,536.67, 667,683.45 and 403,384.34 is: 557,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,536.67 : 667,683.45 = 403,384.34 : x
  2. Step 2: Convert to fraction form
    483,536.67/667,683.45 = 403,384.34/x
  3. Step 3: Cross multiply
    483,536.67x = 667,683.45 × 403,384.34
  4. Step 4: Simplify right side
    483,536.67x = 269,333,044,468.76
  5. Step 5: Solve for x
    x = 269,333,044,468.76/483,536.67
  6. Step 6: Final answer
    x = 557,006.45

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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.