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Finding the Fourth Proportional to 535,057.53, 738,379.20 and 293,334.92

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Solution

The fourth proportional to 535,057.53, 738,379.20 and 293,334.92 is: 404,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,057.53 : 738,379.20 = 293,334.92 : x
  2. Step 2: Convert to fraction form
    535,057.53/738,379.20 = 293,334.92/x
  3. Step 3: Cross multiply
    535,057.53x = 738,379.20 × 293,334.92
  4. Step 4: Simplify right side
    535,057.53x = 216,592,403,561.66
  5. Step 5: Solve for x
    x = 216,592,403,561.66/535,057.53
  6. Step 6: Final answer
    x = 404,802.08

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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.