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Finding the Fourth Proportional to 706,871.37, 975,471.77 and 384,574.11

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Solution

The fourth proportional to 706,871.37, 975,471.77 and 384,574.11 is: 530,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,871.37 : 975,471.77 = 384,574.11 : x
  2. Step 2: Convert to fraction form
    706,871.37/975,471.77 = 384,574.11/x
  3. Step 3: Cross multiply
    706,871.37x = 975,471.77 × 384,574.11
  4. Step 4: Simplify right side
    706,871.37x = 375,141,185,855.00
  5. Step 5: Solve for x
    x = 375,141,185,855.00/706,871.37
  6. Step 6: Final answer
    x = 530,706.44

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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.