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Finding the Fourth Proportional to 406,551.64, 561,082.80 and 234,476.32

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Solution

The fourth proportional to 406,551.64, 561,082.80 and 234,476.32 is: 323,601.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,551.64 : 561,082.80 = 234,476.32 : x
  2. Step 2: Convert to fraction form
    406,551.64/561,082.80 = 234,476.32/x
  3. Step 3: Cross multiply
    406,551.64x = 561,082.80 × 234,476.32
  4. Step 4: Simplify right side
    406,551.64x = 131,560,630,159.30
  5. Step 5: Solve for x
    x = 131,560,630,159.30/406,551.64
  6. Step 6: Final answer
    x = 323,601.28

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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.