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Finding the Fourth Proportional to 371,041.20, 555,905.70 and 314,616.60

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Solution

The fourth proportional to 371,041.20, 555,905.70 and 314,616.60 is: 471,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,041.20 : 555,905.70 = 314,616.60 : x
  2. Step 2: Convert to fraction form
    371,041.20/555,905.70 = 314,616.60/x
  3. Step 3: Cross multiply
    371,041.20x = 555,905.70 × 314,616.60
  4. Step 4: Simplify right side
    371,041.20x = 174,897,161,254.62
  5. Step 5: Solve for x
    x = 174,897,161,254.62/371,041.20
  6. Step 6: Final answer
    x = 471,368.57

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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.