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Finding the Fourth Proportional to 410,666.80, 615,539.40 and 233,258.80

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Solution

The fourth proportional to 410,666.80, 615,539.40 and 233,258.80 is: 349,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,666.80 : 615,539.40 = 233,258.80 : x
  2. Step 2: Convert to fraction form
    410,666.80/615,539.40 = 233,258.80/x
  3. Step 3: Cross multiply
    410,666.80x = 615,539.40 × 233,258.80
  4. Step 4: Simplify right side
    410,666.80x = 143,579,981,796.72
  5. Step 5: Solve for x
    x = 143,579,981,796.72/410,666.80
  6. Step 6: Final answer
    x = 349,626.47

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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.