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Finding the Fourth Proportional to 496,689.40, 744,612.90 and 180,962.20

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Solution

The fourth proportional to 496,689.40, 744,612.90 and 180,962.20 is: 271,289.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,689.40 : 744,612.90 = 180,962.20 : x
  2. Step 2: Convert to fraction form
    496,689.40/744,612.90 = 180,962.20/x
  3. Step 3: Cross multiply
    496,689.40x = 744,612.90 × 180,962.20
  4. Step 4: Simplify right side
    496,689.40x = 134,746,788,532.38
  5. Step 5: Solve for x
    x = 134,746,788,532.38/496,689.40
  6. Step 6: Final answer
    x = 271,289.84

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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.