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Finding the Fourth Proportional to 590,607.70, 886,041.15 and 291,231.70

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Solution

The fourth proportional to 590,607.70, 886,041.15 and 291,231.70 is: 436,911.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,607.70 : 886,041.15 = 291,231.70 : x
  2. Step 2: Convert to fraction form
    590,607.70/886,041.15 = 291,231.70/x
  3. Step 3: Cross multiply
    590,607.70x = 886,041.15 × 291,231.70
  4. Step 4: Simplify right side
    590,607.70x = 258,043,270,384.46
  5. Step 5: Solve for x
    x = 258,043,270,384.46/590,607.70
  6. Step 6: Final answer
    x = 436,911.46

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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.