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Finding the Fourth Proportional to 360,270.48, 539,968.76 and 264,613.69

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Solution

The fourth proportional to 360,270.48, 539,968.76 and 264,613.69 is: 396,599.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,270.48 : 539,968.76 = 264,613.69 : x
  2. Step 2: Convert to fraction form
    360,270.48/539,968.76 = 264,613.69/x
  3. Step 3: Cross multiply
    360,270.48x = 539,968.76 × 264,613.69
  4. Step 4: Simplify right side
    360,270.48x = 142,883,126,068.32
  5. Step 5: Solve for x
    x = 142,883,126,068.32/360,270.48
  6. Step 6: Final answer
    x = 396,599.59

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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.