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Finding the Fourth Proportional to 588,556, 812,151.12 and 330,373.84

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Solution

The fourth proportional to 588,556, 812,151.12 and 330,373.84 is: 455,884.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,556 : 812,151.12 = 330,373.84 : x
  2. Step 2: Convert to fraction form
    588,556/812,151.12 = 330,373.84/x
  3. Step 3: Cross multiply
    588,556x = 812,151.12 × 330,373.84
  4. Step 4: Simplify right side
    588,556x = 268,313,484,174.70
  5. Step 5: Solve for x
    x = 268,313,484,174.70/588,556
  6. Step 6: Final answer
    x = 455,884.37

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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.