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Finding the Fourth Proportional to 655,848.84, 905,489.26 and 535,277.72

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Solution

The fourth proportional to 655,848.84, 905,489.26 and 535,277.72 is: 739,024.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,848.84 : 905,489.26 = 535,277.72 : x
  2. Step 2: Convert to fraction form
    655,848.84/905,489.26 = 535,277.72/x
  3. Step 3: Cross multiply
    655,848.84x = 905,489.26 × 535,277.72
  4. Step 4: Simplify right side
    655,848.84x = 484,688,226,577.29
  5. Step 5: Solve for x
    x = 484,688,226,577.29/655,848.84
  6. Step 6: Final answer
    x = 739,024.29

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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.