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Finding the Fourth Proportional to 536,892.12, 740,911.59 and 295,178.82

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Solution

The fourth proportional to 536,892.12, 740,911.59 and 295,178.82 is: 407,347.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,892.12 : 740,911.59 = 295,178.82 : x
  2. Step 2: Convert to fraction form
    536,892.12/740,911.59 = 295,178.82/x
  3. Step 3: Cross multiply
    536,892.12x = 740,911.59 × 295,178.82
  4. Step 4: Simplify right side
    536,892.12x = 218,701,408,860.52
  5. Step 5: Solve for x
    x = 218,701,408,860.52/536,892.12
  6. Step 6: Final answer
    x = 407,347.03

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1.5x scale

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.