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Finding the Fourth Proportional to 534,527.90, 737,057.39 and 340,628.45

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Solution

The fourth proportional to 534,527.90, 737,057.39 and 340,628.45 is: 469,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,527.90 : 737,057.39 = 340,628.45 : x
  2. Step 2: Convert to fraction form
    534,527.90/737,057.39 = 340,628.45/x
  3. Step 3: Cross multiply
    534,527.90x = 737,057.39 × 340,628.45
  4. Step 4: Simplify right side
    534,527.90x = 251,062,710,928.32
  5. Step 5: Solve for x
    x = 251,062,710,928.32/534,527.90
  6. Step 6: Final answer
    x = 469,690.57

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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.