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Finding the Fourth Proportional to 495,200.70, 742,801.05 and 162,776.70

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Solution

The fourth proportional to 495,200.70, 742,801.05 and 162,776.70 is: 244,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,200.70 : 742,801.05 = 162,776.70 : x
  2. Step 2: Convert to fraction form
    495,200.70/742,801.05 = 162,776.70/x
  3. Step 3: Cross multiply
    495,200.70x = 742,801.05 × 162,776.70
  4. Step 4: Simplify right side
    495,200.70x = 120,910,703,675.54
  5. Step 5: Solve for x
    x = 120,910,703,675.54/495,200.70
  6. Step 6: Final answer
    x = 244,165.05

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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.