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Finding the Fourth Proportional to 395,130.54, 592,097.11 and 261,532.18

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Solution

The fourth proportional to 395,130.54, 592,097.11 and 261,532.18 is: 391,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,130.54 : 592,097.11 = 261,532.18 : x
  2. Step 2: Convert to fraction form
    395,130.54/592,097.11 = 261,532.18/x
  3. Step 3: Cross multiply
    395,130.54x = 592,097.11 × 261,532.18
  4. Step 4: Simplify right side
    395,130.54x = 154,852,447,950.00
  5. Step 5: Solve for x
    x = 154,852,447,950.00/395,130.54
  6. Step 6: Final answer
    x = 391,902.00

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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.