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Finding the Fourth Proportional to 552,194.72, 760,148.16 and 408,684.32

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Solution

The fourth proportional to 552,194.72, 760,148.16 and 408,684.32 is: 562,592.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,194.72 : 760,148.16 = 408,684.32 : x
  2. Step 2: Convert to fraction form
    552,194.72/760,148.16 = 408,684.32/x
  3. Step 3: Cross multiply
    552,194.72x = 760,148.16 × 408,684.32
  4. Step 4: Simplify right side
    552,194.72x = 310,660,633,868.85
  5. Step 5: Solve for x
    x = 310,660,633,868.85/552,194.72
  6. Step 6: Final answer
    x = 562,592.55

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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.