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Finding the Fourth Proportional to 219,161.80, 328,742.70 and 183,732.40

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Solution

The fourth proportional to 219,161.80, 328,742.70 and 183,732.40 is: 275,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,161.80 : 328,742.70 = 183,732.40 : x
  2. Step 2: Convert to fraction form
    219,161.80/328,742.70 = 183,732.40/x
  3. Step 3: Cross multiply
    219,161.80x = 328,742.70 × 183,732.40
  4. Step 4: Simplify right side
    219,161.80x = 60,400,685,253.48
  5. Step 5: Solve for x
    x = 60,400,685,253.48/219,161.80
  6. Step 6: Final answer
    x = 275,598.60

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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.