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Finding the Fourth Proportional to 1,570,249.90, 2,203,326.50 and 1,570,249.90

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Solution

The fourth proportional to 1,570,249.90, 2,203,326.50 and 1,570,249.90 is: 2,203,326.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,249.90 : 2,203,326.50 = 1,570,249.90 : x
  2. Step 2: Convert to fraction form
    1,570,249.90/2,203,326.50 = 1,570,249.90/x
  3. Step 3: Cross multiply
    1,570,249.90x = 2,203,326.50 × 1,570,249.90
  4. Step 4: Simplify right side
    1,570,249.90x = 3,459,773,216,292.35
  5. Step 5: Solve for x
    x = 3,459,773,216,292.35/1,570,249.90
  6. Step 6: Final answer
    x = 2,203,326.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.