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Finding the Fourth Proportional to 219,861.80, 328,808.55 and 184,432.40

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Solution

The fourth proportional to 219,861.80, 328,808.55 and 184,432.40 is: 275,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,861.80 : 328,808.55 = 184,432.40 : x
  2. Step 2: Convert to fraction form
    219,861.80/328,808.55 = 184,432.40/x
  3. Step 3: Cross multiply
    219,861.80x = 328,808.55 × 184,432.40
  4. Step 4: Simplify right side
    219,861.80x = 60,642,950,017.02
  5. Step 5: Solve for x
    x = 60,642,950,017.02/219,861.80
  6. Step 6: Final answer
    x = 275,823.04

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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.