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Finding the Fourth Proportional to 508,045.76, 701,420.01 and 327,071.24

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Solution

The fourth proportional to 508,045.76, 701,420.01 and 327,071.24 is: 451,562.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,045.76 : 701,420.01 = 327,071.24 : x
  2. Step 2: Convert to fraction form
    508,045.76/701,420.01 = 327,071.24/x
  3. Step 3: Cross multiply
    508,045.76x = 701,420.01 × 327,071.24
  4. Step 4: Simplify right side
    508,045.76x = 229,414,312,431.51
  5. Step 5: Solve for x
    x = 229,414,312,431.51/508,045.76
  6. Step 6: Final answer
    x = 451,562.30

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1.5x scale

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.