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Finding the Fourth Proportional to 271,547.36, 374,753.12 and 156,830.88

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Solution

The fourth proportional to 271,547.36, 374,753.12 and 156,830.88 is: 216,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,547.36 : 374,753.12 = 156,830.88 : x
  2. Step 2: Convert to fraction form
    271,547.36/374,753.12 = 156,830.88/x
  3. Step 3: Cross multiply
    271,547.36x = 374,753.12 × 156,830.88
  4. Step 4: Simplify right side
    271,547.36x = 58,772,861,592.35
  5. Step 5: Solve for x
    x = 58,772,861,592.35/271,547.36
  6. Step 6: Final answer
    x = 216,436.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.