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Finding the Fourth Proportional to 540,038.52, 809,170.20 and 184,858.79

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Solution

The fourth proportional to 540,038.52, 809,170.20 and 184,858.79 is: 276,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,038.52 : 809,170.20 = 184,858.79 : x
  2. Step 2: Convert to fraction form
    540,038.52/809,170.20 = 184,858.79/x
  3. Step 3: Cross multiply
    540,038.52x = 809,170.20 × 184,858.79
  4. Step 4: Simplify right side
    540,038.52x = 149,582,220,030.21
  5. Step 5: Solve for x
    x = 149,582,220,030.21/540,038.52
  6. Step 6: Final answer
    x = 276,984.35

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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.