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Finding the Fourth Proportional to 476,357.57, 657,349.34 and 282,773.57

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Solution

The fourth proportional to 476,357.57, 657,349.34 and 282,773.57 is: 390,213.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,357.57 : 657,349.34 = 282,773.57 : x
  2. Step 2: Convert to fraction form
    476,357.57/657,349.34 = 282,773.57/x
  3. Step 3: Cross multiply
    476,357.57x = 657,349.34 × 282,773.57
  4. Step 4: Simplify right side
    476,357.57x = 185,881,014,908.33
  5. Step 5: Solve for x
    x = 185,881,014,908.33/476,357.57
  6. Step 6: Final answer
    x = 390,213.21

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.