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Finding the Fourth Proportional to 555,315.61, 832,973.45 and 134,591.49

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Solution

The fourth proportional to 555,315.61, 832,973.45 and 134,591.49 is: 201,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,315.61 : 832,973.45 = 134,591.49 : x
  2. Step 2: Convert to fraction form
    555,315.61/832,973.45 = 134,591.49/x
  3. Step 3: Cross multiply
    555,315.61x = 832,973.45 × 134,591.49
  4. Step 4: Simplify right side
    555,315.61x = 112,111,137,765.94
  5. Step 5: Solve for x
    x = 112,111,137,765.94/555,315.61
  6. Step 6: Final answer
    x = 201,887.24

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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.