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Finding the Fourth Proportional to 423,520.70, 634,891.16 and 183,483.77

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Solution

The fourth proportional to 423,520.70, 634,891.16 and 183,483.77 is: 275,056.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,520.70 : 634,891.16 = 183,483.77 : x
  2. Step 2: Convert to fraction form
    423,520.70/634,891.16 = 183,483.77/x
  3. Step 3: Cross multiply
    423,520.70x = 634,891.16 × 183,483.77
  4. Step 4: Simplify right side
    423,520.70x = 116,492,220,860.73
  5. Step 5: Solve for x
    x = 116,492,220,860.73/423,520.70
  6. Step 6: Final answer
    x = 275,056.74

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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.