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Finding the Fourth Proportional to 458,810.60, 686,855.10 and 341,004.20

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Solution

The fourth proportional to 458,810.60, 686,855.10 and 341,004.20 is: 510,494.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,810.60 : 686,855.10 = 341,004.20 : x
  2. Step 2: Convert to fraction form
    458,810.60/686,855.10 = 341,004.20/x
  3. Step 3: Cross multiply
    458,810.60x = 686,855.10 × 341,004.20
  4. Step 4: Simplify right side
    458,810.60x = 234,220,473,891.42
  5. Step 5: Solve for x
    x = 234,220,473,891.42/458,810.60
  6. Step 6: Final answer
    x = 510,494.91

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1.5x scale

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.