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Finding the Fourth Proportional to 623,967.40, 936,102.30 and 180,735.40

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Solution

The fourth proportional to 623,967.40, 936,102.30 and 180,735.40 is: 271,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,967.40 : 936,102.30 = 180,735.40 : x
  2. Step 2: Convert to fraction form
    623,967.40/936,102.30 = 180,735.40/x
  3. Step 3: Cross multiply
    623,967.40x = 936,102.30 × 180,735.40
  4. Step 4: Simplify right side
    623,967.40x = 169,186,823,631.42
  5. Step 5: Solve for x
    x = 169,186,823,631.42/623,967.40
  6. Step 6: Final answer
    x = 271,146.90

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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.