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Finding the Fourth Proportional to 348,130.69, 480,577.73 and 219,258.56

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Solution

The fourth proportional to 348,130.69, 480,577.73 and 219,258.56 is: 302,675.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,130.69 : 480,577.73 = 219,258.56 : x
  2. Step 2: Convert to fraction form
    348,130.69/480,577.73 = 219,258.56/x
  3. Step 3: Cross multiply
    348,130.69x = 480,577.73 × 219,258.56
  4. Step 4: Simplify right side
    348,130.69x = 105,370,781,153.02
  5. Step 5: Solve for x
    x = 105,370,781,153.02/348,130.69
  6. Step 6: Final answer
    x = 302,675.93

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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.