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Finding the Fourth Proportional to 341,319.40, 512,235.10 and 175,021.80

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Solution

The fourth proportional to 341,319.40, 512,235.10 and 175,021.80 is: 262,663.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,319.40 : 512,235.10 = 175,021.80 : x
  2. Step 2: Convert to fraction form
    341,319.40/512,235.10 = 175,021.80/x
  3. Step 3: Cross multiply
    341,319.40x = 512,235.10 × 175,021.80
  4. Step 4: Simplify right side
    341,319.40x = 89,652,309,225.18
  5. Step 5: Solve for x
    x = 89,652,309,225.18/341,319.40
  6. Step 6: Final answer
    x = 262,663.97

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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.