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Finding the Fourth Proportional to 277,446.60, 382,888.08 and 175,435.20

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Solution

The fourth proportional to 277,446.60, 382,888.08 and 175,435.20 is: 242,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,446.60 : 382,888.08 = 175,435.20 : x
  2. Step 2: Convert to fraction form
    277,446.60/382,888.08 = 175,435.20/x
  3. Step 3: Cross multiply
    277,446.60x = 382,888.08 × 175,435.20
  4. Step 4: Simplify right side
    277,446.60x = 67,172,046,892.42
  5. Step 5: Solve for x
    x = 67,172,046,892.42/277,446.60
  6. Step 6: Final answer
    x = 242,108.02

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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.