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Finding the Fourth Proportional to 529,609.61, 730,922.54 and 314,747.80

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Solution

The fourth proportional to 529,609.61, 730,922.54 and 314,747.80 is: 434,388.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,609.61 : 730,922.54 = 314,747.80 : x
  2. Step 2: Convert to fraction form
    529,609.61/730,922.54 = 314,747.80/x
  3. Step 3: Cross multiply
    529,609.61x = 730,922.54 × 314,747.80
  4. Step 4: Simplify right side
    529,609.61x = 230,056,258,034.37
  5. Step 5: Solve for x
    x = 230,056,258,034.37/529,609.61
  6. Step 6: Final answer
    x = 434,388.37

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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.