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Finding the Fourth Proportional to 555,324.12, 832,986.21 and 134,599.98

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Solution

The fourth proportional to 555,324.12, 832,986.21 and 134,599.98 is: 201,899.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,324.12 : 832,986.21 = 134,599.98 : x
  2. Step 2: Convert to fraction form
    555,324.12/832,986.21 = 134,599.98/x
  3. Step 3: Cross multiply
    555,324.12x = 832,986.21 × 134,599.98
  4. Step 4: Simplify right side
    555,324.12x = 112,119,927,206.28
  5. Step 5: Solve for x
    x = 112,119,927,206.28/555,324.12
  6. Step 6: Final answer
    x = 201,899.98

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1.5x scale

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.