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Finding the Fourth Proportional to 922,154.68, 1,272,776.52 and 599,303.80

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Solution

The fourth proportional to 922,154.68, 1,272,776.52 and 599,303.80 is: 827,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,154.68 : 1,272,776.52 = 599,303.80 : x
  2. Step 2: Convert to fraction form
    922,154.68/1,272,776.52 = 599,303.80/x
  3. Step 3: Cross multiply
    922,154.68x = 1,272,776.52 × 599,303.80
  4. Step 4: Simplify right side
    922,154.68x = 762,779,804,986.78
  5. Step 5: Solve for x
    x = 762,779,804,986.78/922,154.68
  6. Step 6: Final answer
    x = 827,171.21

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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.