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Finding the Fourth Proportional to 339,972.20, 510,152.70 and 234,866.60

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Solution

The fourth proportional to 339,972.20, 510,152.70 and 234,866.60 is: 352,434.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,972.20 : 510,152.70 = 234,866.60 : x
  2. Step 2: Convert to fraction form
    339,972.20/510,152.70 = 234,866.60/x
  3. Step 3: Cross multiply
    339,972.20x = 510,152.70 × 234,866.60
  4. Step 4: Simplify right side
    339,972.20x = 119,817,830,129.82
  5. Step 5: Solve for x
    x = 119,817,830,129.82/339,972.20
  6. Step 6: Final answer
    x = 352,434.20

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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.