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Finding the Fourth Proportional to 697,964.85, 963,790.29 and 675,395.01

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Solution

The fourth proportional to 697,964.85, 963,790.29 and 675,395.01 is: 932,624.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,964.85 : 963,790.29 = 675,395.01 : x
  2. Step 2: Convert to fraction form
    697,964.85/963,790.29 = 675,395.01/x
  3. Step 3: Cross multiply
    697,964.85x = 963,790.29 × 675,395.01
  4. Step 4: Simplify right side
    697,964.85x = 650,939,152,552.45
  5. Step 5: Solve for x
    x = 650,939,152,552.45/697,964.85
  6. Step 6: Final answer
    x = 932,624.55

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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.