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Finding the Fourth Proportional to 635,535.70, 953,302.47 and 162,220.90

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Solution

The fourth proportional to 635,535.70, 953,302.47 and 162,220.90 is: 243,331.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,535.70 : 953,302.47 = 162,220.90 : x
  2. Step 2: Convert to fraction form
    635,535.70/953,302.47 = 162,220.90/x
  3. Step 3: Cross multiply
    635,535.70x = 953,302.47 × 162,220.90
  4. Step 4: Simplify right side
    635,535.70x = 154,645,584,655.62
  5. Step 5: Solve for x
    x = 154,645,584,655.62/635,535.70
  6. Step 6: Final answer
    x = 243,331.07

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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.