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Finding the Fourth Proportional to 555,210.72, 832,818.24 and 134,485.92

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Solution

The fourth proportional to 555,210.72, 832,818.24 and 134,485.92 is: 201,729.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,210.72 : 832,818.24 = 134,485.92 : x
  2. Step 2: Convert to fraction form
    555,210.72/832,818.24 = 134,485.92/x
  3. Step 3: Cross multiply
    555,210.72x = 832,818.24 × 134,485.92
  4. Step 4: Simplify right side
    555,210.72x = 112,002,327,199.18
  5. Step 5: Solve for x
    x = 112,002,327,199.18/555,210.72
  6. Step 6: Final answer
    x = 201,729.40

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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.