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Finding the Fourth Proportional to 443,758.32, 612,387 and 242,554.32

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Solution

The fourth proportional to 443,758.32, 612,387 and 242,554.32 is: 334,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,758.32 : 612,387 = 242,554.32 : x
  2. Step 2: Convert to fraction form
    443,758.32/612,387 = 242,554.32/x
  3. Step 3: Cross multiply
    443,758.32x = 612,387 × 242,554.32
  4. Step 4: Simplify right side
    443,758.32x = 148,537,112,361.84
  5. Step 5: Solve for x
    x = 148,537,112,361.84/443,758.32
  6. Step 6: Final answer
    x = 334,725.24

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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.