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Finding the Fourth Proportional to 592,543, 888,814.50 and 149,311

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Solution

The fourth proportional to 592,543, 888,814.50 and 149,311 is: 223,966.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,543 : 888,814.50 = 149,311 : x
  2. Step 2: Convert to fraction form
    592,543/888,814.50 = 149,311/x
  3. Step 3: Cross multiply
    592,543x = 888,814.50 × 149,311
  4. Step 4: Simplify right side
    592,543x = 132,709,781,809.50
  5. Step 5: Solve for x
    x = 132,709,781,809.50/592,543
  6. Step 6: Final answer
    x = 223,966.50

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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.