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Finding the Fourth Proportional to 670,129.44, 924,778.80 and 364,205.76

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Solution

The fourth proportional to 670,129.44, 924,778.80 and 364,205.76 is: 502,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,129.44 : 924,778.80 = 364,205.76 : x
  2. Step 2: Convert to fraction form
    670,129.44/924,778.80 = 364,205.76/x
  3. Step 3: Cross multiply
    670,129.44x = 924,778.80 × 364,205.76
  4. Step 4: Simplify right side
    670,129.44x = 336,809,765,685.89
  5. Step 5: Solve for x
    x = 336,809,765,685.89/670,129.44
  6. Step 6: Final answer
    x = 502,604.04

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1.5x scale

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.