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Finding the Fourth Proportional to 441,989.70, 662,984.55 and 146,501.70

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Solution

The fourth proportional to 441,989.70, 662,984.55 and 146,501.70 is: 219,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,989.70 : 662,984.55 = 146,501.70 : x
  2. Step 2: Convert to fraction form
    441,989.70/662,984.55 = 146,501.70/x
  3. Step 3: Cross multiply
    441,989.70x = 662,984.55 × 146,501.70
  4. Step 4: Simplify right side
    441,989.70x = 97,128,363,648.74
  5. Step 5: Solve for x
    x = 97,128,363,648.74/441,989.70
  6. Step 6: Final answer
    x = 219,752.55

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Similar ratio
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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.