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Finding the Fourth Proportional to 351,141.40, 526,712.10 and 201,842.20

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Solution

The fourth proportional to 351,141.40, 526,712.10 and 201,842.20 is: 302,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,141.40 : 526,712.10 = 201,842.20 : x
  2. Step 2: Convert to fraction form
    351,141.40/526,712.10 = 201,842.20/x
  3. Step 3: Cross multiply
    351,141.40x = 526,712.10 × 201,842.20
  4. Step 4: Simplify right side
    351,141.40x = 106,312,729,030.62
  5. Step 5: Solve for x
    x = 106,312,729,030.62/351,141.40
  6. Step 6: Final answer
    x = 302,763.30

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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.