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Finding the Fourth Proportional to 555,312.62, 832,968.94 and 134,588.50

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Solution

The fourth proportional to 555,312.62, 832,968.94 and 134,588.50 is: 201,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,312.62 : 832,968.94 = 134,588.50 : x
  2. Step 2: Convert to fraction form
    555,312.62/832,968.94 = 134,588.50/x
  3. Step 3: Cross multiply
    555,312.62x = 832,968.94 × 134,588.50
  4. Step 4: Simplify right side
    555,312.62x = 112,108,037,762.30
  5. Step 5: Solve for x
    x = 112,108,037,762.30/555,312.62
  6. Step 6: Final answer
    x = 201,882.75

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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.