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Finding the Fourth Proportional to 374,026.76, 516,154.20 and 204,260.84

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Solution

The fourth proportional to 374,026.76, 516,154.20 and 204,260.84 is: 281,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,026.76 : 516,154.20 = 204,260.84 : x
  2. Step 2: Convert to fraction form
    374,026.76/516,154.20 = 204,260.84/x
  3. Step 3: Cross multiply
    374,026.76x = 516,154.20 × 204,260.84
  4. Step 4: Simplify right side
    374,026.76x = 105,430,090,461.53
  5. Step 5: Solve for x
    x = 105,430,090,461.53/374,026.76
  6. Step 6: Final answer
    x = 281,878.47

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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.