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Finding the Fourth Proportional to 551,042.24, 760,242.72 and 360,165.84

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Solution

The fourth proportional to 551,042.24, 760,242.72 and 360,165.84 is: 496,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,042.24 : 760,242.72 = 360,165.84 : x
  2. Step 2: Convert to fraction form
    551,042.24/760,242.72 = 360,165.84/x
  3. Step 3: Cross multiply
    551,042.24x = 760,242.72 × 360,165.84
  4. Step 4: Simplify right side
    551,042.24x = 273,813,457,852.69
  5. Step 5: Solve for x
    x = 273,813,457,852.69/551,042.24
  6. Step 6: Final answer
    x = 496,901.03

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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.