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Finding the Fourth Proportional to 1,571,594.40, 2,353,892.40 and 1,361,642.40

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Solution

The fourth proportional to 1,571,594.40, 2,353,892.40 and 1,361,642.40 is: 2,039,431.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,594.40 : 2,353,892.40 = 1,361,642.40 : x
  2. Step 2: Convert to fraction form
    1,571,594.40/2,353,892.40 = 1,361,642.40/x
  3. Step 3: Cross multiply
    1,571,594.40x = 2,353,892.40 × 1,361,642.40
  4. Step 4: Simplify right side
    1,571,594.40x = 3,205,159,696,877.76
  5. Step 5: Solve for x
    x = 3,205,159,696,877.76/1,571,594.40
  6. Step 6: Final answer
    x = 2,039,431.86

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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.