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Finding the Fourth Proportional to 334,366.40, 461,421.78 and 183,463.40

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Solution

The fourth proportional to 334,366.40, 461,421.78 and 183,463.40 is: 253,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,366.40 : 461,421.78 = 183,463.40 : x
  2. Step 2: Convert to fraction form
    334,366.40/461,421.78 = 183,463.40/x
  3. Step 3: Cross multiply
    334,366.40x = 461,421.78 × 183,463.40
  4. Step 4: Simplify right side
    334,366.40x = 84,654,008,592.85
  5. Step 5: Solve for x
    x = 84,654,008,592.85/334,366.40
  6. Step 6: Final answer
    x = 253,177.38

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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.