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Finding the Fourth Proportional to 590,953.20, 885,846.60 and 291,188.40

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Solution

The fourth proportional to 590,953.20, 885,846.60 and 291,188.40 is: 436,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,953.20 : 885,846.60 = 291,188.40 : x
  2. Step 2: Convert to fraction form
    590,953.20/885,846.60 = 291,188.40/x
  3. Step 3: Cross multiply
    590,953.20x = 885,846.60 × 291,188.40
  4. Step 4: Simplify right side
    590,953.20x = 257,948,254,099.44
  5. Step 5: Solve for x
    x = 257,948,254,099.44/590,953.20
  6. Step 6: Final answer
    x = 436,495.23

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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.