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Finding the Fourth Proportional to 406,118, 560,365.08 and 262,858.16

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Solution

The fourth proportional to 406,118, 560,365.08 and 262,858.16 is: 362,693.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,118 : 560,365.08 = 262,858.16 : x
  2. Step 2: Convert to fraction form
    406,118/560,365.08 = 262,858.16/x
  3. Step 3: Cross multiply
    406,118x = 560,365.08 × 262,858.16
  4. Step 4: Simplify right side
    406,118x = 147,296,533,857.05
  5. Step 5: Solve for x
    x = 147,296,533,857.05/406,118
  6. Step 6: Final answer
    x = 362,693.93

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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.