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Finding the Fourth Proportional to 536,709.92, 740,673.32 and 294,998.63

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Solution

The fourth proportional to 536,709.92, 740,673.32 and 294,998.63 is: 407,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,709.92 : 740,673.32 = 294,998.63 : x
  2. Step 2: Convert to fraction form
    536,709.92/740,673.32 = 294,998.63/x
  3. Step 3: Cross multiply
    536,709.92x = 740,673.32 × 294,998.63
  4. Step 4: Simplify right side
    536,709.92x = 218,497,609,499.19
  5. Step 5: Solve for x
    x = 218,497,609,499.19/536,709.92
  6. Step 6: Final answer
    x = 407,105.60

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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.