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Finding the Fourth Proportional to 558,277.84, 770,174.74 and 372,051.16

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Solution

The fourth proportional to 558,277.84, 770,174.74 and 372,051.16 is: 513,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,277.84 : 770,174.74 = 372,051.16 : x
  2. Step 2: Convert to fraction form
    558,277.84/770,174.74 = 372,051.16/x
  3. Step 3: Cross multiply
    558,277.84x = 770,174.74 × 372,051.16
  4. Step 4: Simplify right side
    558,277.84x = 286,544,405,419.70
  5. Step 5: Solve for x
    x = 286,544,405,419.70/558,277.84
  6. Step 6: Final answer
    x = 513,264.87

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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.