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Finding the Fourth Proportional to 469,492.11, 704,225.61 and 132,555.87

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Solution

The fourth proportional to 469,492.11, 704,225.61 and 132,555.87 is: 198,830.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,492.11 : 704,225.61 = 132,555.87 : x
  2. Step 2: Convert to fraction form
    469,492.11/704,225.61 = 132,555.87/x
  3. Step 3: Cross multiply
    469,492.11x = 704,225.61 × 132,555.87
  4. Step 4: Simplify right side
    469,492.11x = 93,349,238,409.83
  5. Step 5: Solve for x
    x = 93,349,238,409.83/469,492.11
  6. Step 6: Final answer
    x = 198,830.26

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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.