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Finding the Fourth Proportional to 555,264.72, 832,899.24 and 134,539.92

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Solution

The fourth proportional to 555,264.72, 832,899.24 and 134,539.92 is: 201,810.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,264.72 : 832,899.24 = 134,539.92 : x
  2. Step 2: Convert to fraction form
    555,264.72/832,899.24 = 134,539.92/x
  3. Step 3: Cross multiply
    555,264.72x = 832,899.24 × 134,539.92
  4. Step 4: Simplify right side
    555,264.72x = 112,058,197,117.66
  5. Step 5: Solve for x
    x = 112,058,197,117.66/555,264.72
  6. Step 6: Final answer
    x = 201,810.40

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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.