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Finding the Fourth Proportional to 535,832.39, 740,062.38 and 352,888.75

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Solution

The fourth proportional to 535,832.39, 740,062.38 and 352,888.75 is: 487,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,832.39 : 740,062.38 = 352,888.75 : x
  2. Step 2: Convert to fraction form
    535,832.39/740,062.38 = 352,888.75/x
  3. Step 3: Cross multiply
    535,832.39x = 740,062.38 × 352,888.75
  4. Step 4: Simplify right side
    535,832.39x = 261,159,684,499.91
  5. Step 5: Solve for x
    x = 261,159,684,499.91/535,832.39
  6. Step 6: Final answer
    x = 487,390.63

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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.