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Finding the Fourth Proportional to 536,693.34, 740,645.46 and 307,249.68

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Solution

The fourth proportional to 536,693.34, 740,645.46 and 307,249.68 is: 424,009.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,693.34 : 740,645.46 = 307,249.68 : x
  2. Step 2: Convert to fraction form
    536,693.34/740,645.46 = 307,249.68/x
  3. Step 3: Cross multiply
    536,693.34x = 740,645.46 × 307,249.68
  4. Step 4: Simplify right side
    536,693.34x = 227,563,080,578.45
  5. Step 5: Solve for x
    x = 227,563,080,578.45/536,693.34
  6. Step 6: Final answer
    x = 424,009.51

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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.