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Finding the Fourth Proportional to 584,630.20, 875,195.70 and 521,644.60

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Solution

The fourth proportional to 584,630.20, 875,195.70 and 521,644.60 is: 780,905.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,630.20 : 875,195.70 = 521,644.60 : x
  2. Step 2: Convert to fraction form
    584,630.20/875,195.70 = 521,644.60/x
  3. Step 3: Cross multiply
    584,630.20x = 875,195.70 × 521,644.60
  4. Step 4: Simplify right side
    584,630.20x = 456,541,110,848.22
  5. Step 5: Solve for x
    x = 456,541,110,848.22/584,630.20
  6. Step 6: Final answer
    x = 780,905.79

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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.