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Finding the Fourth Proportional to 635,544.90, 953,316.72 and 162,230.40

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Solution

The fourth proportional to 635,544.90, 953,316.72 and 162,230.40 is: 243,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,544.90 : 953,316.72 = 162,230.40 : x
  2. Step 2: Convert to fraction form
    635,544.90/953,316.72 = 162,230.40/x
  3. Step 3: Cross multiply
    635,544.90x = 953,316.72 × 162,230.40
  4. Step 4: Simplify right side
    635,544.90x = 154,656,952,812.29
  5. Step 5: Solve for x
    x = 154,656,952,812.29/635,544.90
  6. Step 6: Final answer
    x = 243,345.44

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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.