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Finding the Fourth Proportional to 404,492.94, 606,817.44 and 155,155.50

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Solution

The fourth proportional to 404,492.94, 606,817.44 and 155,155.50 is: 232,763.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,492.94 : 606,817.44 = 155,155.50 : x
  2. Step 2: Convert to fraction form
    404,492.94/606,817.44 = 155,155.50/x
  3. Step 3: Cross multiply
    404,492.94x = 606,817.44 × 155,155.50
  4. Step 4: Simplify right side
    404,492.94x = 94,151,063,311.92
  5. Step 5: Solve for x
    x = 94,151,063,311.92/404,492.94
  6. Step 6: Final answer
    x = 232,763.18

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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.