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Finding the Fourth Proportional to 635,503.38, 953,254.18 and 162,188.72

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Solution

The fourth proportional to 635,503.38, 953,254.18 and 162,188.72 is: 243,282.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,503.38 : 953,254.18 = 162,188.72 : x
  2. Step 2: Convert to fraction form
    635,503.38/953,254.18 = 162,188.72/x
  3. Step 3: Cross multiply
    635,503.38x = 953,254.18 × 162,188.72
  4. Step 4: Simplify right side
    635,503.38x = 154,607,075,288.85
  5. Step 5: Solve for x
    x = 154,607,075,288.85/635,503.38
  6. Step 6: Final answer
    x = 243,282.85

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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.