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Finding the Fourth Proportional to 354,926,693.80, 532,390,040.70 and 341,321,804.20

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Solution

The fourth proportional to 354,926,693.80, 532,390,040.70 and 341,321,804.20 is: 511,982,706.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,926,693.80 : 532,390,040.70 = 341,321,804.20 : x
  2. Step 2: Convert to fraction form
    354,926,693.80/532,390,040.70 = 341,321,804.20/x
  3. Step 3: Cross multiply
    354,926,693.80x = 532,390,040.70 × 341,321,804.20
  4. Step 4: Simplify right side
    354,926,693.80x = 181,716,329,229,835,424
  5. Step 5: Solve for x
    x = 181,716,329,229,835,424/354,926,693.80
  6. Step 6: Final answer
    x = 511,982,706.30

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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.