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Finding the Fourth Proportional to 406,302.64, 560,790.95 and 270,342.32

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Solution

The fourth proportional to 406,302.64, 560,790.95 and 270,342.32 is: 373,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,302.64 : 560,790.95 = 270,342.32 : x
  2. Step 2: Convert to fraction form
    406,302.64/560,790.95 = 270,342.32/x
  3. Step 3: Cross multiply
    406,302.64x = 560,790.95 × 270,342.32
  4. Step 4: Simplify right side
    406,302.64x = 151,605,522,302.34
  5. Step 5: Solve for x
    x = 151,605,522,302.34/406,302.64
  6. Step 6: Final answer
    x = 373,134.48

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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.