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Finding the Fourth Proportional to 400,004.58, 600,007.40 and 163,347.24

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Solution

The fourth proportional to 400,004.58, 600,007.40 and 163,347.24 is: 245,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,004.58 : 600,007.40 = 163,347.24 : x
  2. Step 2: Convert to fraction form
    400,004.58/600,007.40 = 163,347.24/x
  3. Step 3: Cross multiply
    400,004.58x = 600,007.40 × 163,347.24
  4. Step 4: Simplify right side
    400,004.58x = 98,009,552,769.58
  5. Step 5: Solve for x
    x = 98,009,552,769.58/400,004.58
  6. Step 6: Final answer
    x = 245,021.08

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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.