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Finding the Fourth Proportional to 670,100.46, 924,741.63 and 368,313.90

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Solution

The fourth proportional to 670,100.46, 924,741.63 and 368,313.90 is: 508,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,100.46 : 924,741.63 = 368,313.90 : x
  2. Step 2: Convert to fraction form
    670,100.46/924,741.63 = 368,313.90/x
  3. Step 3: Cross multiply
    670,100.46x = 924,741.63 × 368,313.90
  4. Step 4: Simplify right side
    670,100.46x = 340,595,196,237.66
  5. Step 5: Solve for x
    x = 340,595,196,237.66/670,100.46
  6. Step 6: Final answer
    x = 508,274.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.