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Finding the Fourth Proportional to 535,245.53, 738,648.99 and 293,513.72

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Solution

The fourth proportional to 535,245.53, 738,648.99 and 293,513.72 is: 405,054.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,245.53 : 738,648.99 = 293,513.72 : x
  2. Step 2: Convert to fraction form
    535,245.53/738,648.99 = 293,513.72/x
  3. Step 3: Cross multiply
    535,245.53x = 738,648.99 × 293,513.72
  4. Step 4: Simplify right side
    535,245.53x = 216,803,609,135.90
  5. Step 5: Solve for x
    x = 216,803,609,135.90/535,245.53
  6. Step 6: Final answer
    x = 405,054.50

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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.