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Finding the Fourth Proportional to 462,004.60, 645,231.80 and 462,004.60

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Solution

The fourth proportional to 462,004.60, 645,231.80 and 462,004.60 is: 645,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,004.60 : 645,231.80 = 462,004.60 : x
  2. Step 2: Convert to fraction form
    462,004.60/645,231.80 = 462,004.60/x
  3. Step 3: Cross multiply
    462,004.60x = 645,231.80 × 462,004.60
  4. Step 4: Simplify right side
    462,004.60x = 298,100,059,666.28
  5. Step 5: Solve for x
    x = 298,100,059,666.28/462,004.60
  6. Step 6: Final answer
    x = 645,231.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.