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Finding the Fourth Proportional to 553,510.04, 830,381.72 and 179,503.88

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Solution

The fourth proportional to 553,510.04, 830,381.72 and 179,503.88 is: 269,293.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,510.04 : 830,381.72 = 179,503.88 : x
  2. Step 2: Convert to fraction form
    553,510.04/830,381.72 = 179,503.88/x
  3. Step 3: Cross multiply
    553,510.04x = 830,381.72 × 179,503.88
  4. Step 4: Simplify right side
    553,510.04x = 149,056,735,571.65
  5. Step 5: Solve for x
    x = 149,056,735,571.65/553,510.04
  6. Step 6: Final answer
    x = 269,293.65

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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.