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Finding the Fourth Proportional to 360,488.40, 540,732.60 and 173,864.40

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Solution

The fourth proportional to 360,488.40, 540,732.60 and 173,864.40 is: 260,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,488.40 : 540,732.60 = 173,864.40 : x
  2. Step 2: Convert to fraction form
    360,488.40/540,732.60 = 173,864.40/x
  3. Step 3: Cross multiply
    360,488.40x = 540,732.60 × 173,864.40
  4. Step 4: Simplify right side
    360,488.40x = 94,014,149,059.44
  5. Step 5: Solve for x
    x = 94,014,149,059.44/360,488.40
  6. Step 6: Final answer
    x = 260,796.60

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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.