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Finding the Fourth Proportional to 532,774.28, 735,239.34 and 291,072.48

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Solution

The fourth proportional to 532,774.28, 735,239.34 and 291,072.48 is: 401,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,774.28 : 735,239.34 = 291,072.48 : x
  2. Step 2: Convert to fraction form
    532,774.28/735,239.34 = 291,072.48/x
  3. Step 3: Cross multiply
    532,774.28x = 735,239.34 × 291,072.48
  4. Step 4: Simplify right side
    532,774.28x = 214,007,938,087.36
  5. Step 5: Solve for x
    x = 214,007,938,087.36/532,774.28
  6. Step 6: Final answer
    x = 401,685.94

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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.