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Finding the Fourth Proportional to 343,632.20, 514,830.54 and 323,374.76

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Solution

The fourth proportional to 343,632.20, 514,830.54 and 323,374.76 is: 484,480.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,632.20 : 514,830.54 = 323,374.76 : x
  2. Step 2: Convert to fraction form
    343,632.20/514,830.54 = 323,374.76/x
  3. Step 3: Cross multiply
    343,632.20x = 514,830.54 × 323,374.76
  4. Step 4: Simplify right side
    343,632.20x = 166,483,202,313.17
  5. Step 5: Solve for x
    x = 166,483,202,313.17/343,632.20
  6. Step 6: Final answer
    x = 484,480.80

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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.