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Finding the Fourth Proportional to 590,664.20, 886,125.90 and 291,288.20

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Solution

The fourth proportional to 590,664.20, 886,125.90 and 291,288.20 is: 436,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,664.20 : 886,125.90 = 291,288.20 : x
  2. Step 2: Convert to fraction form
    590,664.20/886,125.90 = 291,288.20/x
  3. Step 3: Cross multiply
    590,664.20x = 886,125.90 × 291,288.20
  4. Step 4: Simplify right side
    590,664.20x = 258,118,018,384.38
  5. Step 5: Solve for x
    x = 258,118,018,384.38/590,664.20
  6. Step 6: Final answer
    x = 436,996.21

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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.