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Finding the Fourth Proportional to 529,680.76, 731,119.54 and 360,013.30

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Solution

The fourth proportional to 529,680.76, 731,119.54 and 360,013.30 is: 496,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,680.76 : 731,119.54 = 360,013.30 : x
  2. Step 2: Convert to fraction form
    529,680.76/731,119.54 = 360,013.30/x
  3. Step 3: Cross multiply
    529,680.76x = 731,119.54 × 360,013.30
  4. Step 4: Simplify right side
    529,680.76x = 263,212,755,562.05
  5. Step 5: Solve for x
    x = 263,212,755,562.05/529,680.76
  6. Step 6: Final answer
    x = 496,927.16

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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.