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Finding the Fourth Proportional to 670,012.84, 924,621.48 and 364,091.76

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Solution

The fourth proportional to 670,012.84, 924,621.48 and 364,091.76 is: 502,448.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,012.84 : 924,621.48 = 364,091.76 : x
  2. Step 2: Convert to fraction form
    670,012.84/924,621.48 = 364,091.76/x
  3. Step 3: Cross multiply
    670,012.84x = 924,621.48 × 364,091.76
  4. Step 4: Simplify right side
    670,012.84x = 336,647,061,987.01
  5. Step 5: Solve for x
    x = 336,647,061,987.01/670,012.84
  6. Step 6: Final answer
    x = 502,448.67

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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.