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Finding the Fourth Proportional to 516,925.68, 775,286.31 and 491,292.34

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Solution

The fourth proportional to 516,925.68, 775,286.31 and 491,292.34 is: 736,841.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,925.68 : 775,286.31 = 491,292.34 : x
  2. Step 2: Convert to fraction form
    516,925.68/775,286.31 = 491,292.34/x
  3. Step 3: Cross multiply
    516,925.68x = 775,286.31 × 491,292.34
  4. Step 4: Simplify right side
    516,925.68x = 380,892,225,409.87
  5. Step 5: Solve for x
    x = 380,892,225,409.87/516,925.68
  6. Step 6: Final answer
    x = 736,841.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.