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Finding the Fourth Proportional to 382,678.72, 574,018.56 and 182,952.16

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Solution

The fourth proportional to 382,678.72, 574,018.56 and 182,952.16 is: 274,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,678.72 : 574,018.56 = 182,952.16 : x
  2. Step 2: Convert to fraction form
    382,678.72/574,018.56 = 182,952.16/x
  3. Step 3: Cross multiply
    382,678.72x = 574,018.56 × 182,952.16
  4. Step 4: Simplify right side
    382,678.72x = 105,017,935,432.09
  5. Step 5: Solve for x
    x = 105,017,935,432.09/382,678.72
  6. Step 6: Final answer
    x = 274,428.47

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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.