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Finding the Fourth Proportional to 314,312, 471,554.56 and 92,696

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Solution

The fourth proportional to 314,312, 471,554.56 and 92,696 is: 139,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,312 : 471,554.56 = 92,696 : x
  2. Step 2: Convert to fraction form
    314,312/471,554.56 = 92,696/x
  3. Step 3: Cross multiply
    314,312x = 471,554.56 × 92,696
  4. Step 4: Simplify right side
    314,312x = 43,711,221,493.76
  5. Step 5: Solve for x
    x = 43,711,221,493.76/314,312
  6. Step 6: Final answer
    x = 139,069.53

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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.