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Finding the Fourth Proportional to 219,881.60, 329,433.60 and 186,444.80

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Solution

The fourth proportional to 219,881.60, 329,433.60 and 186,444.80 is: 279,337.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,881.60 : 329,433.60 = 186,444.80 : x
  2. Step 2: Convert to fraction form
    219,881.60/329,433.60 = 186,444.80/x
  3. Step 3: Cross multiply
    219,881.60x = 329,433.60 × 186,444.80
  4. Step 4: Simplify right side
    219,881.60x = 61,421,181,665.28
  5. Step 5: Solve for x
    x = 61,421,181,665.28/219,881.60
  6. Step 6: Final answer
    x = 279,337.52

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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.