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Finding the Fourth Proportional to 1,111,490, 1,664,571 and 570,322.16

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Solution

The fourth proportional to 1,111,490, 1,664,571 and 570,322.16 is: 854,116.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,490 : 1,664,571 = 570,322.16 : x
  2. Step 2: Convert to fraction form
    1,111,490/1,664,571 = 570,322.16/x
  3. Step 3: Cross multiply
    1,111,490x = 1,664,571 × 570,322.16
  4. Step 4: Simplify right side
    1,111,490x = 949,341,728,193.36
  5. Step 5: Solve for x
    x = 949,341,728,193.36/1,111,490
  6. Step 6: Final answer
    x = 854,116.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.