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Finding the Fourth Proportional to 656,752.07, 906,305.83 and 370,272.49

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Solution

The fourth proportional to 656,752.07, 906,305.83 and 370,272.49 is: 510,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,752.07 : 906,305.83 = 370,272.49 : x
  2. Step 2: Convert to fraction form
    656,752.07/906,305.83 = 370,272.49/x
  3. Step 3: Cross multiply
    656,752.07x = 906,305.83 × 370,272.49
  4. Step 4: Simplify right side
    656,752.07x = 335,580,113,184.17
  5. Step 5: Solve for x
    x = 335,580,113,184.17/656,752.07
  6. Step 6: Final answer
    x = 510,969.25

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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.