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Finding the Fourth Proportional to 590,468.60, 885,702.90 and 324,748.10

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Solution

The fourth proportional to 590,468.60, 885,702.90 and 324,748.10 is: 487,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,468.60 : 885,702.90 = 324,748.10 : x
  2. Step 2: Convert to fraction form
    590,468.60/885,702.90 = 324,748.10/x
  3. Step 3: Cross multiply
    590,468.60x = 885,702.90 × 324,748.10
  4. Step 4: Simplify right side
    590,468.60x = 287,630,333,939.49
  5. Step 5: Solve for x
    x = 287,630,333,939.49/590,468.60
  6. Step 6: Final answer
    x = 487,122.15

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Similar ratio
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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.