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Finding the Fourth Proportional to 554,991.32, 832,510.20 and 175,903.76

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Solution

The fourth proportional to 554,991.32, 832,510.20 and 175,903.76 is: 263,863.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,991.32 : 832,510.20 = 175,903.76 : x
  2. Step 2: Convert to fraction form
    554,991.32/832,510.20 = 175,903.76/x
  3. Step 3: Cross multiply
    554,991.32x = 832,510.20 × 175,903.76
  4. Step 4: Simplify right side
    554,991.32x = 146,441,674,418.35
  5. Step 5: Solve for x
    x = 146,441,674,418.35/554,991.32
  6. Step 6: Final answer
    x = 263,863.00

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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.