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Finding the Fourth Proportional to 575,628.99, 794,268.89 and 369,078.01

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Solution

The fourth proportional to 575,628.99, 794,268.89 and 369,078.01 is: 509,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,628.99 : 794,268.89 = 369,078.01 : x
  2. Step 2: Convert to fraction form
    575,628.99/794,268.89 = 369,078.01/x
  3. Step 3: Cross multiply
    575,628.99x = 794,268.89 × 369,078.01
  4. Step 4: Simplify right side
    575,628.99x = 293,147,177,495.05
  5. Step 5: Solve for x
    x = 293,147,177,495.05/575,628.99
  6. Step 6: Final answer
    x = 509,264.10

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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.