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Finding the Fourth Proportional to 697,480.65, 962,977.16 and 425,706.12

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Solution

The fourth proportional to 697,480.65, 962,977.16 and 425,706.12 is: 587,751.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,480.65 : 962,977.16 = 425,706.12 : x
  2. Step 2: Convert to fraction form
    697,480.65/962,977.16 = 425,706.12/x
  3. Step 3: Cross multiply
    697,480.65x = 962,977.16 × 425,706.12
  4. Step 4: Simplify right side
    697,480.65x = 409,945,268,303.69
  5. Step 5: Solve for x
    x = 409,945,268,303.69/697,480.65
  6. Step 6: Final answer
    x = 587,751.46

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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.