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Finding the Fourth Proportional to 376,300.44, 564,154.74 and 257,612.04

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Solution

The fourth proportional to 376,300.44, 564,154.74 and 257,612.04 is: 386,215.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,300.44 : 564,154.74 = 257,612.04 : x
  2. Step 2: Convert to fraction form
    376,300.44/564,154.74 = 257,612.04/x
  3. Step 3: Cross multiply
    376,300.44x = 564,154.74 × 257,612.04
  4. Step 4: Simplify right side
    376,300.44x = 145,333,053,447.07
  5. Step 5: Solve for x
    x = 145,333,053,447.07/376,300.44
  6. Step 6: Final answer
    x = 386,215.48

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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.