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Finding the Fourth Proportional to 433,296.54, 598,113.18 and 387,892.94

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Solution

The fourth proportional to 433,296.54, 598,113.18 and 387,892.94 is: 535,439.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,296.54 : 598,113.18 = 387,892.94 : x
  2. Step 2: Convert to fraction form
    433,296.54/598,113.18 = 387,892.94/x
  3. Step 3: Cross multiply
    433,296.54x = 598,113.18 × 387,892.94
  4. Step 4: Simplify right side
    433,296.54x = 232,003,876,852.38
  5. Step 5: Solve for x
    x = 232,003,876,852.38/433,296.54
  6. Step 6: Final answer
    x = 535,439.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.