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Finding the Fourth Proportional to 429,543.86, 592,817.52 and 245,799.40

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Solution

The fourth proportional to 429,543.86, 592,817.52 and 245,799.40 is: 339,230.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,543.86 : 592,817.52 = 245,799.40 : x
  2. Step 2: Convert to fraction form
    429,543.86/592,817.52 = 245,799.40/x
  3. Step 3: Cross multiply
    429,543.86x = 592,817.52 × 245,799.40
  4. Step 4: Simplify right side
    429,543.86x = 145,714,190,725.49
  5. Step 5: Solve for x
    x = 145,714,190,725.49/429,543.86
  6. Step 6: Final answer
    x = 339,230.06

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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.