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Finding the Fourth Proportional to 406,313.54, 560,805.98 and 270,353.19

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Solution

The fourth proportional to 406,313.54, 560,805.98 and 270,353.19 is: 373,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,313.54 : 560,805.98 = 270,353.19 : x
  2. Step 2: Convert to fraction form
    406,313.54/560,805.98 = 270,353.19/x
  3. Step 3: Cross multiply
    406,313.54x = 560,805.98 × 270,353.19
  4. Step 4: Simplify right side
    406,313.54x = 151,615,684,312.31
  5. Step 5: Solve for x
    x = 151,615,684,312.31/406,313.54
  6. Step 6: Final answer
    x = 373,149.48

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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.