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Finding the Fourth Proportional to 656,570.96, 906,814.86 and 441,337.22

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Solution

The fourth proportional to 656,570.96, 906,814.86 and 441,337.22 is: 609,547.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,570.96 : 906,814.86 = 441,337.22 : x
  2. Step 2: Convert to fraction form
    656,570.96/906,814.86 = 441,337.22/x
  3. Step 3: Cross multiply
    656,570.96x = 906,814.86 × 441,337.22
  4. Step 4: Simplify right side
    656,570.96x = 400,211,149,367.09
  5. Step 5: Solve for x
    x = 400,211,149,367.09/656,570.96
  6. Step 6: Final answer
    x = 609,547.44

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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.