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Finding the Fourth Proportional to 535,282.69, 738,699.59 and 293,563.15

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Solution

The fourth proportional to 535,282.69, 738,699.59 and 293,563.15 is: 405,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,282.69 : 738,699.59 = 293,563.15 : x
  2. Step 2: Convert to fraction form
    535,282.69/738,699.59 = 293,563.15/x
  3. Step 3: Cross multiply
    535,282.69x = 738,699.59 × 293,563.15
  4. Step 4: Simplify right side
    535,282.69x = 216,854,978,544.11
  5. Step 5: Solve for x
    x = 216,854,978,544.11/535,282.69
  6. Step 6: Final answer
    x = 405,122.34

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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.