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Finding the Fourth Proportional to 343,332.40, 514,998.60 and 324,961.60

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Solution

The fourth proportional to 343,332.40, 514,998.60 and 324,961.60 is: 487,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,332.40 : 514,998.60 = 324,961.60 : x
  2. Step 2: Convert to fraction form
    343,332.40/514,998.60 = 324,961.60/x
  3. Step 3: Cross multiply
    343,332.40x = 514,998.60 × 324,961.60
  4. Step 4: Simplify right side
    343,332.40x = 167,354,769,053.76
  5. Step 5: Solve for x
    x = 167,354,769,053.76/343,332.40
  6. Step 6: Final answer
    x = 487,442.40

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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.