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Finding the Fourth Proportional to 529,783.88, 794,674.82 and 435,909.94

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Solution

The fourth proportional to 529,783.88, 794,674.82 and 435,909.94 is: 653,864.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,783.88 : 794,674.82 = 435,909.94 : x
  2. Step 2: Convert to fraction form
    529,783.88/794,674.82 = 435,909.94/x
  3. Step 3: Cross multiply
    529,783.88x = 794,674.82 × 435,909.94
  4. Step 4: Simplify right side
    529,783.88x = 346,406,652,208.80
  5. Step 5: Solve for x
    x = 346,406,652,208.80/529,783.88
  6. Step 6: Final answer
    x = 653,864.09

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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.