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Finding the Fourth Proportional to 261,925.90, 392,551.86 and 228,053.32

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Solution

The fourth proportional to 261,925.90, 392,551.86 and 228,053.32 is: 341,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,925.90 : 392,551.86 = 228,053.32 : x
  2. Step 2: Convert to fraction form
    261,925.90/392,551.86 = 228,053.32/x
  3. Step 3: Cross multiply
    261,925.90x = 392,551.86 × 228,053.32
  4. Step 4: Simplify right side
    261,925.90x = 89,522,754,945.18
  5. Step 5: Solve for x
    x = 89,522,754,945.18/261,925.90
  6. Step 6: Final answer
    x = 341,786.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.