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Finding the Fourth Proportional to 670,000.80, 924,746.93 and 412,099.41

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Solution

The fourth proportional to 670,000.80, 924,746.93 and 412,099.41 is: 568,786.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,000.80 : 924,746.93 = 412,099.41 : x
  2. Step 2: Convert to fraction form
    670,000.80/924,746.93 = 412,099.41/x
  3. Step 3: Cross multiply
    670,000.80x = 924,746.93 × 412,099.41
  4. Step 4: Simplify right side
    670,000.80x = 381,087,664,252.31
  5. Step 5: Solve for x
    x = 381,087,664,252.31/670,000.80
  6. Step 6: Final answer
    x = 568,786.88

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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.