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Finding the Fourth Proportional to 551,502.32, 827,953.48 and 468,921.20

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Solution

The fourth proportional to 551,502.32, 827,953.48 and 468,921.20 is: 703,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,502.32 : 827,953.48 = 468,921.20 : x
  2. Step 2: Convert to fraction form
    551,502.32/827,953.48 = 468,921.20/x
  3. Step 3: Cross multiply
    551,502.32x = 827,953.48 × 468,921.20
  4. Step 4: Simplify right side
    551,502.32x = 388,244,939,385.78
  5. Step 5: Solve for x
    x = 388,244,939,385.78/551,502.32
  6. Step 6: Final answer
    x = 703,976.98

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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.