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Finding the Fourth Proportional to 340,617.80, 510,926.70 and 233,712.20

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Solution

The fourth proportional to 340,617.80, 510,926.70 and 233,712.20 is: 350,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,617.80 : 510,926.70 = 233,712.20 : x
  2. Step 2: Convert to fraction form
    340,617.80/510,926.70 = 233,712.20/x
  3. Step 3: Cross multiply
    340,617.80x = 510,926.70 × 233,712.20
  4. Step 4: Simplify right side
    340,617.80x = 119,409,803,095.74
  5. Step 5: Solve for x
    x = 119,409,803,095.74/340,617.80
  6. Step 6: Final answer
    x = 350,568.30

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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.