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Finding the Fourth Proportional to 538,045.44, 807,074.64 and 183,066.72

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Solution

The fourth proportional to 538,045.44, 807,074.64 and 183,066.72 is: 274,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,045.44 : 807,074.64 = 183,066.72 : x
  2. Step 2: Convert to fraction form
    538,045.44/807,074.64 = 183,066.72/x
  3. Step 3: Cross multiply
    538,045.44x = 807,074.64 × 183,066.72
  4. Step 4: Simplify right side
    538,045.44x = 147,748,507,139.98
  5. Step 5: Solve for x
    x = 147,748,507,139.98/538,045.44
  6. Step 6: Final answer
    x = 274,602.28

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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.