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Finding the Fourth Proportional to 586,417.22, 809,250.30 and 331,768.42

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Solution

The fourth proportional to 586,417.22, 809,250.30 and 331,768.42 is: 457,837.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,417.22 : 809,250.30 = 331,768.42 : x
  2. Step 2: Convert to fraction form
    586,417.22/809,250.30 = 331,768.42/x
  3. Step 3: Cross multiply
    586,417.22x = 809,250.30 × 331,768.42
  4. Step 4: Simplify right side
    586,417.22x = 268,483,693,415.53
  5. Step 5: Solve for x
    x = 268,483,693,415.53/586,417.22
  6. Step 6: Final answer
    x = 457,837.33

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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.