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Finding the Fourth Proportional to 1,021,304, 1,532,655.96 and 356,456

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Solution

The fourth proportional to 1,021,304, 1,532,655.96 and 356,456 is: 534,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,304 : 1,532,655.96 = 356,456 : x
  2. Step 2: Convert to fraction form
    1,021,304/1,532,655.96 = 356,456/x
  3. Step 3: Cross multiply
    1,021,304x = 1,532,655.96 × 356,456
  4. Step 4: Simplify right side
    1,021,304x = 546,324,412,877.76
  5. Step 5: Solve for x
    x = 546,324,412,877.76/1,021,304
  6. Step 6: Final answer
    x = 534,928.30

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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.