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Finding the Fourth Proportional to 595,648.48, 821,999.28 and 323,717.44

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Solution

The fourth proportional to 595,648.48, 821,999.28 and 323,717.44 is: 446,732.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,648.48 : 821,999.28 = 323,717.44 : x
  2. Step 2: Convert to fraction form
    595,648.48/821,999.28 = 323,717.44/x
  3. Step 3: Cross multiply
    595,648.48x = 821,999.28 × 323,717.44
  4. Step 4: Simplify right side
    595,648.48x = 266,095,502,603.44
  5. Step 5: Solve for x
    x = 266,095,502,603.44/595,648.48
  6. Step 6: Final answer
    x = 446,732.45

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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.