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Finding the Fourth Proportional to 574,955.82, 793,533.51 and 320,389.02

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Solution

The fourth proportional to 574,955.82, 793,533.51 and 320,389.02 is: 442,189.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,955.82 : 793,533.51 = 320,389.02 : x
  2. Step 2: Convert to fraction form
    574,955.82/793,533.51 = 320,389.02/x
  3. Step 3: Cross multiply
    574,955.82x = 793,533.51 × 320,389.02
  4. Step 4: Simplify right side
    574,955.82x = 254,239,423,606.06
  5. Step 5: Solve for x
    x = 254,239,423,606.06/574,955.82
  6. Step 6: Final answer
    x = 442,189.49

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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.