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Finding the Fourth Proportional to 562,853.88, 776,855.67 and 517,459.97

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Solution

The fourth proportional to 562,853.88, 776,855.67 and 517,459.97 is: 714,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,853.88 : 776,855.67 = 517,459.97 : x
  2. Step 2: Convert to fraction form
    562,853.88/776,855.67 = 517,459.97/x
  3. Step 3: Cross multiply
    562,853.88x = 776,855.67 × 517,459.97
  4. Step 4: Simplify right side
    562,853.88x = 401,991,705,220.95
  5. Step 5: Solve for x
    x = 401,991,705,220.95/562,853.88
  6. Step 6: Final answer
    x = 714,202.60

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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.