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Finding the Fourth Proportional to 593,160.12, 818,561.16 and 324,888.12

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Solution

The fourth proportional to 593,160.12, 818,561.16 and 324,888.12 is: 448,345.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,160.12 : 818,561.16 = 324,888.12 : x
  2. Step 2: Convert to fraction form
    593,160.12/818,561.16 = 324,888.12/x
  3. Step 3: Cross multiply
    593,160.12x = 818,561.16 × 324,888.12
  4. Step 4: Simplify right side
    593,160.12x = 265,940,796,377.42
  5. Step 5: Solve for x
    x = 265,940,796,377.42/593,160.12
  6. Step 6: Final answer
    x = 448,345.71

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Double scale
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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.