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Finding the Fourth Proportional to 529,418.59, 730,094.79 and 348,283.96

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Solution

The fourth proportional to 529,418.59, 730,094.79 and 348,283.96 is: 480,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,418.59 : 730,094.79 = 348,283.96 : x
  2. Step 2: Convert to fraction form
    529,418.59/730,094.79 = 348,283.96/x
  3. Step 3: Cross multiply
    529,418.59x = 730,094.79 × 348,283.96
  4. Step 4: Simplify right side
    529,418.59x = 254,280,304,636.57
  5. Step 5: Solve for x
    x = 254,280,304,636.57/529,418.59
  6. Step 6: Final answer
    x = 480,301.05

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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.