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Finding the Fourth Proportional to 553,770.04, 830,681.43 and 269,121.46

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Solution

The fourth proportional to 553,770.04, 830,681.43 and 269,121.46 is: 403,695.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,770.04 : 830,681.43 = 269,121.46 : x
  2. Step 2: Convert to fraction form
    553,770.04/830,681.43 = 269,121.46/x
  3. Step 3: Cross multiply
    553,770.04x = 830,681.43 × 269,121.46
  4. Step 4: Simplify right side
    553,770.04x = 223,554,199,236.49
  5. Step 5: Solve for x
    x = 223,554,199,236.49/553,770.04
  6. Step 6: Final answer
    x = 403,695.01

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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.