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Finding the Fourth Proportional to 369,402.59, 554,135.32 and 116,615.46

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Solution

The fourth proportional to 369,402.59, 554,135.32 and 116,615.46 is: 174,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,402.59 : 554,135.32 = 116,615.46 : x
  2. Step 2: Convert to fraction form
    369,402.59/554,135.32 = 116,615.46/x
  3. Step 3: Cross multiply
    369,402.59x = 554,135.32 × 116,615.46
  4. Step 4: Simplify right side
    369,402.59x = 64,620,742,874.50
  5. Step 5: Solve for x
    x = 64,620,742,874.50/369,402.59
  6. Step 6: Final answer
    x = 174,933.11

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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.