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Finding the Fourth Proportional to 540,963.41, 811,518.93 and 225,346.50

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Solution

The fourth proportional to 540,963.41, 811,518.93 and 225,346.50 is: 338,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,963.41 : 811,518.93 = 225,346.50 : x
  2. Step 2: Convert to fraction form
    540,963.41/811,518.93 = 225,346.50/x
  3. Step 3: Cross multiply
    540,963.41x = 811,518.93 × 225,346.50
  4. Step 4: Simplify right side
    540,963.41x = 182,872,950,559.25
  5. Step 5: Solve for x
    x = 182,872,950,559.25/540,963.41
  6. Step 6: Final answer
    x = 338,050.50

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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.