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Finding the Fourth Proportional to 769,497.98, 1,061,761.03 and 482,888.89

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Solution

The fourth proportional to 769,497.98, 1,061,761.03 and 482,888.89 is: 666,294.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,497.98 : 1,061,761.03 = 482,888.89 : x
  2. Step 2: Convert to fraction form
    769,497.98/1,061,761.03 = 482,888.89/x
  3. Step 3: Cross multiply
    769,497.98x = 1,061,761.03 × 482,888.89
  4. Step 4: Simplify right side
    769,497.98x = 512,712,605,341.94
  5. Step 5: Solve for x
    x = 512,712,605,341.94/769,497.98
  6. Step 6: Final answer
    x = 666,294.94

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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.