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Finding the Fourth Proportional to 461,950.92, 692,868.78 and 129,552.84

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Solution

The fourth proportional to 461,950.92, 692,868.78 and 129,552.84 is: 194,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,950.92 : 692,868.78 = 129,552.84 : x
  2. Step 2: Convert to fraction form
    461,950.92/692,868.78 = 129,552.84/x
  3. Step 3: Cross multiply
    461,950.92x = 692,868.78 × 129,552.84
  4. Step 4: Simplify right side
    461,950.92x = 89,763,118,196.34
  5. Step 5: Solve for x
    x = 89,763,118,196.34/461,950.92
  6. Step 6: Final answer
    x = 194,313.11

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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.