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Finding the Fourth Proportional to 551,632.70, 827,011.65 and 302,314.70

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Solution

The fourth proportional to 551,632.70, 827,011.65 and 302,314.70 is: 453,232.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,632.70 : 827,011.65 = 302,314.70 : x
  2. Step 2: Convert to fraction form
    551,632.70/827,011.65 = 302,314.70/x
  3. Step 3: Cross multiply
    551,632.70x = 827,011.65 × 302,314.70
  4. Step 4: Simplify right side
    551,632.70x = 250,017,778,866.26
  5. Step 5: Solve for x
    x = 250,017,778,866.26/551,632.70
  6. Step 6: Final answer
    x = 453,232.34

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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.