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Finding the Fourth Proportional to 1,866,374.18, 2,799,716.76 and 500,342.60

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Solution

The fourth proportional to 1,866,374.18, 2,799,716.76 and 500,342.60 is: 750,555.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,374.18 : 2,799,716.76 = 500,342.60 : x
  2. Step 2: Convert to fraction form
    1,866,374.18/2,799,716.76 = 500,342.60/x
  3. Step 3: Cross multiply
    1,866,374.18x = 2,799,716.76 × 500,342.60
  4. Step 4: Simplify right side
    1,866,374.18x = 1,400,817,562,961.98
  5. Step 5: Solve for x
    x = 1,400,817,562,961.98/1,866,374.18
  6. Step 6: Final answer
    x = 750,555.58

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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.