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Finding the Fourth Proportional to 349,461.44, 523,336.80 and 162,526.40

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Solution

The fourth proportional to 349,461.44, 523,336.80 and 162,526.40 is: 243,391.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,461.44 : 523,336.80 = 162,526.40 : x
  2. Step 2: Convert to fraction form
    349,461.44/523,336.80 = 162,526.40/x
  3. Step 3: Cross multiply
    349,461.44x = 523,336.80 × 162,526.40
  4. Step 4: Simplify right side
    349,461.44x = 85,056,046,091.52
  5. Step 5: Solve for x
    x = 85,056,046,091.52/349,461.44
  6. Step 6: Final answer
    x = 243,391.79

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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.