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Finding the Fourth Proportional to 529,897.34, 730,882.31 and 325,680.14

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Solution

The fourth proportional to 529,897.34, 730,882.31 and 325,680.14 is: 449,207.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,897.34 : 730,882.31 = 325,680.14 : x
  2. Step 2: Convert to fraction form
    529,897.34/730,882.31 = 325,680.14/x
  3. Step 3: Cross multiply
    529,897.34x = 730,882.31 × 325,680.14
  4. Step 4: Simplify right side
    529,897.34x = 238,033,849,389.91
  5. Step 5: Solve for x
    x = 238,033,849,389.91/529,897.34
  6. Step 6: Final answer
    x = 449,207.49

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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.