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Finding the Fourth Proportional to 656,572.96, 906,817.62 and 441,339.22

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Solution

The fourth proportional to 656,572.96, 906,817.62 and 441,339.22 is: 609,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,572.96 : 906,817.62 = 441,339.22 : x
  2. Step 2: Convert to fraction form
    656,572.96/906,817.62 = 441,339.22/x
  3. Step 3: Cross multiply
    656,572.96x = 906,817.62 × 441,339.22
  4. Step 4: Simplify right side
    656,572.96x = 400,214,181,093.06
  5. Step 5: Solve for x
    x = 400,214,181,093.06/656,572.96
  6. Step 6: Final answer
    x = 609,550.20

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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.