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Finding the Fourth Proportional to 552,210.72, 760,170.24 and 408,700.32

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Solution

The fourth proportional to 552,210.72, 760,170.24 and 408,700.32 is: 562,614.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,210.72 : 760,170.24 = 408,700.32 : x
  2. Step 2: Convert to fraction form
    552,210.72/760,170.24 = 408,700.32/x
  3. Step 3: Cross multiply
    552,210.72x = 760,170.24 × 408,700.32
  4. Step 4: Simplify right side
    552,210.72x = 310,681,820,342.48
  5. Step 5: Solve for x
    x = 310,681,820,342.48/552,210.72
  6. Step 6: Final answer
    x = 562,614.61

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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.