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Finding the Fourth Proportional to 1,571,967, 2,169,314.46 and 856,575

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Solution

The fourth proportional to 1,571,967, 2,169,314.46 and 856,575 is: 1,182,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,967 : 2,169,314.46 = 856,575 : x
  2. Step 2: Convert to fraction form
    1,571,967/2,169,314.46 = 856,575/x
  3. Step 3: Cross multiply
    1,571,967x = 2,169,314.46 × 856,575
  4. Step 4: Simplify right side
    1,571,967x = 1,858,180,533,574.50
  5. Step 5: Solve for x
    x = 1,858,180,533,574.50/1,571,967
  6. Step 6: Final answer
    x = 1,182,073.50

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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.