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Finding the Fourth Proportional to 529,600.32, 730,680.48 and 328,512.96

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Solution

The fourth proportional to 529,600.32, 730,680.48 and 328,512.96 is: 453,243.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,600.32 : 730,680.48 = 328,512.96 : x
  2. Step 2: Convert to fraction form
    529,600.32/730,680.48 = 328,512.96/x
  3. Step 3: Cross multiply
    529,600.32x = 730,680.48 × 328,512.96
  4. Step 4: Simplify right side
    529,600.32x = 240,038,007,299.02
  5. Step 5: Solve for x
    x = 240,038,007,299.02/529,600.32
  6. Step 6: Final answer
    x = 453,243.70

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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.