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Finding the Fourth Proportional to 555,313.61, 832,970.45 and 134,589.49

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Solution

The fourth proportional to 555,313.61, 832,970.45 and 134,589.49 is: 201,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,313.61 : 832,970.45 = 134,589.49 : x
  2. Step 2: Convert to fraction form
    555,313.61/832,970.45 = 134,589.49/x
  3. Step 3: Cross multiply
    555,313.61x = 832,970.45 × 134,589.49
  4. Step 4: Simplify right side
    555,313.61x = 112,109,066,304.62
  5. Step 5: Solve for x
    x = 112,109,066,304.62/555,313.61
  6. Step 6: Final answer
    x = 201,884.24

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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.