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Finding the Fourth Proportional to 603,654.84, 905,645.88 and 537,553.98

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Solution

The fourth proportional to 603,654.84, 905,645.88 and 537,553.98 is: 806,476.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,654.84 : 905,645.88 = 537,553.98 : x
  2. Step 2: Convert to fraction form
    603,654.84/905,645.88 = 537,553.98/x
  3. Step 3: Cross multiply
    603,654.84x = 905,645.88 × 537,553.98
  4. Step 4: Simplify right side
    603,654.84x = 486,833,547,264.60
  5. Step 5: Solve for x
    x = 486,833,547,264.60/603,654.84
  6. Step 6: Final answer
    x = 806,476.67

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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.