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Finding the Fourth Proportional to 561,006.54, 774,158.31 and 346,162.14

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Solution

The fourth proportional to 561,006.54, 774,158.31 and 346,162.14 is: 477,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,006.54 : 774,158.31 = 346,162.14 : x
  2. Step 2: Convert to fraction form
    561,006.54/774,158.31 = 346,162.14/x
  3. Step 3: Cross multiply
    561,006.54x = 774,158.31 × 346,162.14
  4. Step 4: Simplify right side
    561,006.54x = 267,984,297,288.38
  5. Step 5: Solve for x
    x = 267,984,297,288.38/561,006.54
  6. Step 6: Final answer
    x = 477,684.80

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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.