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Finding the Fourth Proportional to 348,020.60, 522,030.90 and 235,754.60

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Solution

The fourth proportional to 348,020.60, 522,030.90 and 235,754.60 is: 353,631.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,020.60 : 522,030.90 = 235,754.60 : x
  2. Step 2: Convert to fraction form
    348,020.60/522,030.90 = 235,754.60/x
  3. Step 3: Cross multiply
    348,020.60x = 522,030.90 × 235,754.60
  4. Step 4: Simplify right side
    348,020.60x = 123,071,186,017.14
  5. Step 5: Solve for x
    x = 123,071,186,017.14/348,020.60
  6. Step 6: Final answer
    x = 353,631.90

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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.