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Finding the Fourth Proportional to 535,340.79, 738,771.35 and 293,625.35

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Solution

The fourth proportional to 535,340.79, 738,771.35 and 293,625.35 is: 405,203.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,340.79 : 738,771.35 = 293,625.35 : x
  2. Step 2: Convert to fraction form
    535,340.79/738,771.35 = 293,625.35/x
  3. Step 3: Cross multiply
    535,340.79x = 738,771.35 × 293,625.35
  4. Step 4: Simplify right side
    535,340.79x = 216,921,992,519.87
  5. Step 5: Solve for x
    x = 216,921,992,519.87/535,340.79
  6. Step 6: Final answer
    x = 405,203.56

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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.