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Finding the Fourth Proportional to 540,418.69, 745,764.84 and 295,392.52

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Solution

The fourth proportional to 540,418.69, 745,764.84 and 295,392.52 is: 407,634.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,418.69 : 745,764.84 = 295,392.52 : x
  2. Step 2: Convert to fraction form
    540,418.69/745,764.84 = 295,392.52/x
  3. Step 3: Cross multiply
    540,418.69x = 745,764.84 × 295,392.52
  4. Step 4: Simplify right side
    540,418.69x = 220,293,355,415.00
  5. Step 5: Solve for x
    x = 220,293,355,415.00/540,418.69
  6. Step 6: Final answer
    x = 407,634.60

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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.