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Finding the Fourth Proportional to 656,578.43, 906,051.98 and 370,158.02

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Solution

The fourth proportional to 656,578.43, 906,051.98 and 370,158.02 is: 510,803.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,578.43 : 906,051.98 = 370,158.02 : x
  2. Step 2: Convert to fraction form
    656,578.43/906,051.98 = 370,158.02/x
  3. Step 3: Cross multiply
    656,578.43x = 906,051.98 × 370,158.02
  4. Step 4: Simplify right side
    656,578.43x = 335,382,406,933.88
  5. Step 5: Solve for x
    x = 335,382,406,933.88/656,578.43
  6. Step 6: Final answer
    x = 510,803.27

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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.