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Finding the Fourth Proportional to 291,040.64, 401,600.16 and 183,570.08

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Solution

The fourth proportional to 291,040.64, 401,600.16 and 183,570.08 is: 253,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,040.64 : 401,600.16 = 183,570.08 : x
  2. Step 2: Convert to fraction form
    291,040.64/401,600.16 = 183,570.08/x
  3. Step 3: Cross multiply
    291,040.64x = 401,600.16 × 183,570.08
  4. Step 4: Simplify right side
    291,040.64x = 73,721,773,499.21
  5. Step 5: Solve for x
    x = 73,721,773,499.21/291,040.64
  6. Step 6: Final answer
    x = 253,304.05

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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.