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Finding the Fourth Proportional to 529,672, 794,515.26 and 293,476

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Solution

The fourth proportional to 529,672, 794,515.26 and 293,476 is: 440,218.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,672 : 794,515.26 = 293,476 : x
  2. Step 2: Convert to fraction form
    529,672/794,515.26 = 293,476/x
  3. Step 3: Cross multiply
    529,672x = 794,515.26 × 293,476
  4. Step 4: Simplify right side
    529,672x = 233,171,160,443.76
  5. Step 5: Solve for x
    x = 233,171,160,443.76/529,672
  6. Step 6: Final answer
    x = 440,218.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.