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Finding the Fourth Proportional to 670,121.79, 924,775.23 and 364,198.16

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Solution

The fourth proportional to 670,121.79, 924,775.23 and 364,198.16 is: 502,597.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,121.79 : 924,775.23 = 364,198.16 : x
  2. Step 2: Convert to fraction form
    670,121.79/924,775.23 = 364,198.16/x
  3. Step 3: Cross multiply
    670,121.79x = 924,775.23 × 364,198.16
  4. Step 4: Simplify right side
    670,121.79x = 336,801,432,555.70
  5. Step 5: Solve for x
    x = 336,801,432,555.70/670,121.79
  6. Step 6: Final answer
    x = 502,597.35

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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.