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Finding the Fourth Proportional to 349,236.57, 526,188.49 and 315,541.73

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Solution

The fourth proportional to 349,236.57, 526,188.49 and 315,541.73 is: 475,421.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,236.57 : 526,188.49 = 315,541.73 : x
  2. Step 2: Convert to fraction form
    349,236.57/526,188.49 = 315,541.73/x
  3. Step 3: Cross multiply
    349,236.57x = 526,188.49 × 315,541.73
  4. Step 4: Simplify right side
    349,236.57x = 166,034,426,440.69
  5. Step 5: Solve for x
    x = 166,034,426,440.69/349,236.57
  6. Step 6: Final answer
    x = 475,421.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.