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Finding the Fourth Proportional to 371,337.48, 556,978.68 and 118,607.76

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Solution

The fourth proportional to 371,337.48, 556,978.68 and 118,607.76 is: 177,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,337.48 : 556,978.68 = 118,607.76 : x
  2. Step 2: Convert to fraction form
    371,337.48/556,978.68 = 118,607.76/x
  3. Step 3: Cross multiply
    371,337.48x = 556,978.68 × 118,607.76
  4. Step 4: Simplify right side
    371,337.48x = 66,061,993,602.56
  5. Step 5: Solve for x
    x = 66,061,993,602.56/371,337.48
  6. Step 6: Final answer
    x = 177,902.84

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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.