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Finding the Fourth Proportional to 510,068.34, 704,083.80 and 438,159.78

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Solution

The fourth proportional to 510,068.34, 704,083.80 and 438,159.78 is: 604,823.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,068.34 : 704,083.80 = 438,159.78 : x
  2. Step 2: Convert to fraction form
    510,068.34/704,083.80 = 438,159.78/x
  3. Step 3: Cross multiply
    510,068.34x = 704,083.80 × 438,159.78
  4. Step 4: Simplify right side
    510,068.34x = 308,501,202,909.56
  5. Step 5: Solve for x
    x = 308,501,202,909.56/510,068.34
  6. Step 6: Final answer
    x = 604,823.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.