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Finding the Fourth Proportional to 492,784.83, 680,041.98 and 266,430.33

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Solution

The fourth proportional to 492,784.83, 680,041.98 and 266,430.33 is: 367,673.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,784.83 : 680,041.98 = 266,430.33 : x
  2. Step 2: Convert to fraction form
    492,784.83/680,041.98 = 266,430.33/x
  3. Step 3: Cross multiply
    492,784.83x = 680,041.98 × 266,430.33
  4. Step 4: Simplify right side
    492,784.83x = 181,183,809,145.25
  5. Step 5: Solve for x
    x = 181,183,809,145.25/492,784.83
  6. Step 6: Final answer
    x = 367,673.27

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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.