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Finding the Fourth Proportional to 371,316.58, 556,560.14 and 341,424.34

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Solution

The fourth proportional to 371,316.58, 556,560.14 and 341,424.34 is: 511,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,316.58 : 556,560.14 = 341,424.34 : x
  2. Step 2: Convert to fraction form
    371,316.58/556,560.14 = 341,424.34/x
  3. Step 3: Cross multiply
    371,316.58x = 556,560.14 × 341,424.34
  4. Step 4: Simplify right side
    371,316.58x = 190,023,178,469.81
  5. Step 5: Solve for x
    x = 190,023,178,469.81/371,316.58
  6. Step 6: Final answer
    x = 511,755.17

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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.