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Finding the Fourth Proportional to 656,562.96, 906,803.82 and 441,329.22

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Solution

The fourth proportional to 656,562.96, 906,803.82 and 441,329.22 is: 609,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,562.96 : 906,803.82 = 441,329.22 : x
  2. Step 2: Convert to fraction form
    656,562.96/906,803.82 = 441,329.22/x
  3. Step 3: Cross multiply
    656,562.96x = 906,803.82 × 441,329.22
  4. Step 4: Simplify right side
    656,562.96x = 400,199,022,573.62
  5. Step 5: Solve for x
    x = 400,199,022,573.62/656,562.96
  6. Step 6: Final answer
    x = 609,536.40

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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.