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Finding the Fourth Proportional to 1,531,571.40, 2,113,533.54 and 958,927.32

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Solution

The fourth proportional to 1,531,571.40, 2,113,533.54 and 958,927.32 is: 1,323,297.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,571.40 : 2,113,533.54 = 958,927.32 : x
  2. Step 2: Convert to fraction form
    1,531,571.40/2,113,533.54 = 958,927.32/x
  3. Step 3: Cross multiply
    1,531,571.40x = 2,113,533.54 × 958,927.32
  4. Step 4: Simplify right side
    1,531,571.40x = 2,026,725,053,242.31
  5. Step 5: Solve for x
    x = 2,026,725,053,242.31/1,531,571.40
  6. Step 6: Final answer
    x = 1,323,297.79

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.