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Finding the Fourth Proportional to 554,989.32, 832,507.20 and 175,901.76

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Solution

The fourth proportional to 554,989.32, 832,507.20 and 175,901.76 is: 263,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,989.32 : 832,507.20 = 175,901.76 : x
  2. Step 2: Convert to fraction form
    554,989.32/832,507.20 = 175,901.76/x
  3. Step 3: Cross multiply
    554,989.32x = 832,507.20 × 175,901.76
  4. Step 4: Simplify right side
    554,989.32x = 146,439,481,692.67
  5. Step 5: Solve for x
    x = 146,439,481,692.67/554,989.32
  6. Step 6: Final answer
    x = 263,860.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.