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Finding the Fourth Proportional to 370,575.81, 511,206.80 and 234,380.39

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Solution

The fourth proportional to 370,575.81, 511,206.80 and 234,380.39 is: 323,326.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,575.81 : 511,206.80 = 234,380.39 : x
  2. Step 2: Convert to fraction form
    370,575.81/511,206.80 = 234,380.39/x
  3. Step 3: Cross multiply
    370,575.81x = 511,206.80 × 234,380.39
  4. Step 4: Simplify right side
    370,575.81x = 119,816,845,426.72
  5. Step 5: Solve for x
    x = 119,816,845,426.72/370,575.81
  6. Step 6: Final answer
    x = 323,326.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.